Лав (сазвежђе) — разлика између измена

Лав
Сазвежђе
	Списак звезда у сазвежђу Лав
Латинско име	Leo
Генитив	Leonis
Симболизује	Лав
Ректасцензија	11
Деклинација	+15
Површина	947 sq. deg. (12.))
Најсјајнија звезда	Регулус (1,5m)
Метеорски ројеви	Леониди
Суседна; сазвежђа	Сазвијежђе Рак; Сазвијежђе Хидра; Сазвијежђе Дјевица;
	Видљиво у распону +90° и −65°.; У најбољем положају за посматрање у 21:00 час у априлу.

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Верзија на датум 23. април 2022. у 01:15

Лав је једно од сазвјежђда зодијака. Његов латински назив је Leo, а симбол (♌). Лав лежи између Cancer the crab to the west and Virgo the maiden to the east. It is located in the Northern celestial hemisphere. Its name is Latin for lion, and to the ancient Greeks represented the Nemean Lion killed by the mythical Greek hero Heracles meaning 'Glory of Hera' (known to the ancient Romans as Hercules) as one of his twelve labors. Its old astronomical symbol is (♌︎). One of the 48 constellations described by the 2nd-century astronomer Ptolemy, Leo remains one of the 88 modern constellations today, and one of the most easily recognizable due to its many bright stars and a distinctive shape that is reminiscent of the crouching lion it depicts. The lion's mane and shoulders also form an asterism known as "The Sickle," which to modern observers may resemble a backwards "question mark."

Особине

The constellation Leo as it can be seen by the naked eye (the bright object in the center of the picture is the planet, Jupiter).

Звезде

Leo contains many bright stars, many of which were individually identified by the ancients. There are four stars of the first or second magnitude, which render this constellation especially prominent:

Regulus, designated Alpha Leonis, is a blue-white main-sequence star of magnitude 1.34, 77.5 light-years from Earth. It is a double star divisible in binoculars, with a secondary of magnitude 7.7. Its traditional name (Regulus) means "the little king".
Beta Leonis, called Denebola, is at the opposite end of the constellation to Regulus. It is a blue-white star of magnitude 2.23, 36 light-years from Earth. The name Denebola means "the lion's tail".
Algieba, Gamma Leonis, is a binary star with a third optical component; the primary and secondary are divisible in small telescopes and the tertiary is visible in binoculars. The primary is a gold-yellow giant star of magnitude 2.61 and the secondary is similar but at magnitude 3.6; they have a period of 600 years and are 126 light-years from Earth. The unrelated tertiary, 40 Leonis, is a yellow-tinged star of magnitude 4.8. Its traditional name, Algieba, means "the forehead".
Delta Leonis, called Zosma, is a blue-white star of magnitude 2.58, 58 light-years from Earth.
Epsilon Leonis is a yellow giant of magnitude 3.0, 251 light-years from Earth.^[1]
Zeta Leonis, called Adhafera, is an optical triple star. It is a white giant star of magnitude 3.65, 260 light-years from Earth. The second-brightest, 39 Leonis, is widely spaced to the south and of magnitude 5.8. 35 Leonis is to the north and of magnitude 6.0.
Iota Leonis is a binary star divisible in medium amateur telescopes; they are divisible in small amateur telescopes at their widest in the years 2053–2063. To the unaided eye, Iota Leonis appears to be a yellow-tinged star of magnitude 4.0. The system, 79 light-years from Earth, has components of magnitude 4.1 and 6.7 with a period of 183 years.
Tau Leonis is a double star visible in binoculars. The primary is a yellow giant of magnitude 5.0, 621 light-years from Earth. The secondary is a star of magnitude 8.
54 Leonis is a binary star 289 light-years from Earth, divisible in small telescopes. The primary is a blue-white star of magnitude 4.5 and the secondary is a blue-white star of magnitude 6.3.^[1]

Other named stars in Leo include Mu Leonis, Rasalas (an abbreviation of "Al Ras al Asad al Shamaliyy", meaning "The Lion's Head Toward the South"); and Theta Leonis, Chertan or Coxa ("hip").^[1]^[2]

Leo is also home to one bright variable star, the red giant R Leonis. It is a Mira variable with a minimum magnitude of 10 and normal maximum magnitude of 6; it periodically brightens to magnitude 4.4. R Leonis, 330 light-years from Earth, has a period of 310 days and a diameter of 450 solar diameters.^[1]

The star Wolf 359 (CN Leonis), one of the nearest stars to Earth at 7.8 light-years away, is in Leo. Wolf 359 is a red dwarf of magnitude 13.5; it periodically brightens by one magnitude or less because it is a flare star.^[1] Gliese 436, a faint star in Leo about 33 light-years away from the Sun, is orbited by a transiting Neptune-mass extrasolar planet.^[3]

The carbon star CW Leo (IRC +10216) is the brightest star in the night sky at the infrared N-band (10 μm wavelength).

The star SDSS J102915+172927 (Caffau's star) is a population II star in the galactic halo seen in Leo. It is about 13 billion years old, making it one of the oldest stars in the Galaxy. It has the lowest metallicity of any known star.

Modern astronomers, including Tycho Brahe in 1602, excised a group of stars that once made up the "tuft" of the lion's tail and used them to form the new constellation Coma Berenices (Berenice's hair), although there was precedent for that designation among the ancient Greeks and Romans.^[4]

Deep-sky objects

Leo contains many bright galaxies; Messier 65, Messier 66, Messier 95, Messier 96, Messier 105, and NGC 3628 are the most famous, the first two being part of the Leo Triplet.

The Leo Ring, a cloud of hydrogen, helium gas, is found in the orbit of two galaxies found within this constellation.

M66 is a spiral galaxy that is part of the Leo Triplet, whose other two members are M65 and NGC 3628. It is at a distance of 37 million light-years and has a somewhat distorted shape due to gravitational interactions with the other members of the Triplet, which are pulling stars away from M66. Eventually, the outermost stars may form a dwarf galaxy orbiting M66.^[5] Both M65 and M66 are visible in large binoculars or small telescopes, but their concentrated nuclei and elongation are only visible in large amateur instruments.^[1]

M95 and M96 are both spiral galaxies 20 million light-years from Earth. Though they are visible as fuzzy objects in small telescopes, their structure is only visible in larger instruments. M95 is a barred spiral galaxy. M105 is about a degree away from the M95/M96 pair; it is an elliptical galaxy of the 9th magnitude, also about 20 million light-years from Earth. ^[1]

NGC 2903 is a barred spiral galaxy discovered by William Herschel in 1784. It is very similar in size and shape to the Milky Way and is located 25 million light-years from Earth. In its core, NGC 2903 has many "hotspots", which have been found to be near regions of star formation. The star formation in this region is thought to be due to the presence of the dusty bar, which sends shock waves through its rotation to an area with a diameter of 2,000 light-years. The outskirts of the galaxy have many young open clusters.^[5]

Leo is also home to some of the largest structures in the observable universe. Some of the structures found in the constellation are the Clowes–Campusano LQG, U1.11, U1.54, and the Huge-LQG, which are all large quasar groups; the latter being the second largest structure known^[6] (see also NQ2-NQ4 GRB overdensity).

Meteor showers

The Leonids occur in November, peaking on November 14–15, and have a radiant close to Gamma Leonis. Its parent body is Comet Tempel-Tuttle, which causes significant outbursts every 35 years. The normal peak rate is approximately 10 meteors per hour.^[7]

The January Leonids are a minor shower that peaks between January 1 and 7.^[8]

Историја и митологија

Leo was one of the earliest recognized constellations, with archaeological evidence that the Mesopotamians had a similar constellation as early as 4000 BCE.^[9] The Persians called Leo Ser or Shir; the Turks, Artan; the Syrians, Aryo; the Jews, Arye; the Indians, Simha, all meaning "lion".

Some mythologists believe that in Sumeria, Leo represented the monster Humbaba, who was killed by Gilgamesh.^[10]

In Babylonian astronomy, the constellation was called UR.GU.LA, the "Great Lion"; the bright star Regulus was known as "the star that stands at the Lion's breast." Regulus also had distinctly regal associations, as it was known as the King Star.^[11]

In Greek mythology, Leo was identified as the Nemean Lion which was killed by Heracles (Hercules to the Romans) during the first of his twelve labours.^[9]^[7] The Nemean Lion would take women as hostages to its lair in a cave, luring warriors from nearby towns to save the damsel in distress, to their misfortune.^[12] The Lion was impervious to any weaponry; thus, the warriors' clubs, swords, and spears were rendered useless against it. Realizing that he must defeat the Lion with his bare hands, Hercules slipped into the Lion's cave and engaged it at close quarters.^[12] When the Lion pounced, Hercules caught it in midair, one hand grasping the Lion's forelegs and the other its hind legs, and bent it backwards, breaking its back and freeing the trapped maidens.^[12] Zeus commemorated this labor by placing the Lion in the sky.^[12]

Визуализације

Leo is commonly represented as if the sickle-shaped asterism of stars is the back of the Lion's head. The sickle is marked by six stars: Epsilon Leonis, Mu Leonis, Zeta Leonis, Gamma Leonis, Eta Leonis, and Alpha Leonis. The lion's tail is marked by Beta Leonis (Denebola) and the rest of his body is delineated by Delta Leonis and Theta Leonis.^[7]

Референце

^ ^а ^б ^в ^г ^д ^ђ ^е Ridpath & Tirion 2001, стр. 166–168.
^ „Leo”. Constellationsofwords.com. Приступљено 2016-01-19.
^ „Astronomers discover smallest "exoplanets" yet”. Toronto. Архивирано из оригинала 16. 1. 2009. г.
^ L. Phil Simpson (Springer 2012) Guidebook to the Constellations: Telescopic Sights, Tales, and Myths, p. 235 (ISBN 9781441969415).
^ ^а ^б Wilkins, Jamie; Dunn, Robert (2006). 300 Astronomical Objects: A Visual Reference to the Universe. Buffalo, New York: Firefly Books. ISBN 978-1-55407-175-3.
^ Prostak, Sergio (11. 1. 2013). „Universe's Largest Structure Discovered”. scinews.com. Приступљено 15. 1. 2013.
^ ^а ^б ^в Ridpath & Tirion 2001, стр. 166–167.
^ Jenniskens, Peter (септембар 2011). „Mapping Meteoroid Orbits: New Meteor Showers Discovered”. Sky & Telescope: 24.
^ ^а ^б Pasachoff, Jay M. (2006). Stars and Planets. Boston, Massachusetts: Houghton Mifflin. ISBN 9780395537596.
^ Tamra Andrews (Oxford University Press 2000) Dictionary of Nature Myths: Legends of the Earth, Sea, and Sky (ISBN 9780195136777).
^ Babylonian Star-lore by Gavin White, Solaria Publications, 2008 page 140, ISBN 978-0955903700
^ ^а ^б ^в ^г Janet Parker; et al., ур. (2007). Mythology: Myths, Legends and Fantasies. Struik. стр. 121—122. ISBN 9781770074538.

Литература

Star Names: Their Lore and Meaning, by Richard Allen Hinckley, Dover. ISBN 0-486-21079-0
Ridpath, Ian; Tirion, Wil (2001), Stars and Planets Guide, Princeton University Press, ISBN 0-691-08913-2
Ian Ridpath and Wil Tirion (2007). Stars and Planets Guide, Collins, London. ISBN 978-0-00-725120-9. Princeton University Press, Princeton. ISBN 978-0-691-13556-4.
Dictionary of Symbols, by Carl G. Liungman, W. W. Norton & Company. ISBN 0-393-31236-4

Спољашње везе

Посматрачки линкови

Наука

New planet discovery in Leo's constellation

Митови

[FOOTNOTERidpathTirion2001166–168-1] а ^б ^в ^г ^д ^ђ ^е Ridpath & Tirion 2001, стр. 166–168.

[2] „Leo”. Constellationsofwords.com. Приступљено 2016-01-19.

[3] „Astronomers discover smallest "exoplanets" yet”. Toronto. Архивирано из оригинала 16. 1. 2009. г.

[4] L. Phil Simpson (Springer 2012) Guidebook to the Constellations: Telescopic Sights, Tales, and Myths, p. 235 (ISBN 9781441969415).

[objects-5] а ^б Wilkins, Jamie; Dunn, Robert (2006). 300 Astronomical Objects: A Visual Reference to the Universe. Buffalo, New York: Firefly Books. ISBN 978-1-55407-175-3.

[6] Prostak, Sergio (11. 1. 2013). „Universe's Largest Structure Discovered”. scinews.com. Приступљено 15. 1. 2013.

[FOOTNOTERidpathTirion2001166–167-7] а ^б ^в Ridpath & Tirion 2001, стр. 166–167.

[8] Jenniskens, Peter (септембар 2011). „Mapping Meteoroid Orbits: New Meteor Showers Discovered”. Sky & Telescope: 24.

[pasachoff-9] а ^б Pasachoff, Jay M. (2006). Stars and Planets. Boston, Massachusetts: Houghton Mifflin. ISBN 9780395537596.

[10] Tamra Andrews (Oxford University Press 2000) Dictionary of Nature Myths: Legends of the Earth, Sea, and Sky (ISBN 9780195136777).

[11] Babylonian Star-lore by Gavin White, Solaria Publications, 2008 page 140, ISBN 978-0955903700

[Parker-12] а ^б ^в ^г Janet Parker; et al., ур. (2007). Mythology: Myths, Legends and Fantasies. Struik. стр. 121—122. ISBN 9781770074538.

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@@ Ред 1: / Ред 1: @@
+{{Short description|Zodiac constellation straddling the celestial equator}}{{rut}}
 {{Друго значење2|Лав}}
 {{кутијица за сазвежђе |
@@ Ред 23: / Ред 24: @@
 |белешке =       <!-- Напомене -->
 }}
-'''Лав''' је једно од [[сазвежђе|сазвјежђда]] [[зодијак]]а. Његов латински назив је ''-{Leo}-'', а симбол [[Датотека:Leo.svg|20px]] ({{Unicode|♌}}).
+'''Лав''' је једно од [[сазвежђе|сазвјежђда]] [[зодијак]]а. Његов латински назив је ''-{Leo}-'', а симбол [[Датотека:Leo.svg|20px]] ({{Unicode|♌}}). Лав лежи између [[Cancer (constellation)|Cancer]] the crab to the west and [[Virgo (constellation)|Virgo]] the maiden to the east. It is located in the [[Northern celestial hemisphere]]. Its name is [[Latin]] for [[lion]], and to the [[ancient Greeks]] represented the [[Nemean Lion]] killed by the mythical Greek hero [[Heracles]] meaning 'Glory of Hera' (known to the [[ancient Romans]] as [[Hercules]]) as one of his [[Twelve Labours|twelve labors.]] Its old astronomical symbol is [[Image:Leo symbol (fixed width).svg|20px]] (♌︎). One of the 48 constellations described by the 2nd-century astronomer [[Ptolemy]], Leo remains one of the 88 modern constellations today, and one of the most easily recognizable due to its many bright stars and a distinctive shape that is reminiscent of the crouching lion it depicts. The lion's mane and shoulders also form an [[asterism (astronomy)|asterism]] known as "The Sickle," which to modern observers may resemble a backwards "question mark."
+== Особине ==
+[[Image:LeoCC.jpg|thumb|left|The constellation Leo as it can be seen by the naked eye (the bright object in the center of the picture is the planet, Jupiter).]]
+=== Звезде ===
+{{See also|List of stars in Leo}}
+Leo contains many bright stars, many of which were individually identified by the ancients. There are four stars of the first or second magnitude, which render this constellation especially prominent:
+* [[Regulus]], designated [[Alpha Leonis (star)|Alpha Leonis]], is a blue-white [[main-sequence]] star of magnitude 1.34, 77.5 light-years from Earth. It is a [[double star]] divisible in binoculars, with a secondary of magnitude 7.7. Its traditional name (Regulus) means "the little king".
+* [[Beta Leonis]], called Denebola, is at the opposite end of the constellation to Regulus. It is a blue-white star of magnitude 2.23, 36 light-years from Earth. The name Denebola means "the lion's tail".
+* Algieba, [[Gamma Leonis]], is a [[binary star]] with a third optical component; the primary and secondary are divisible in small telescopes and the tertiary is visible in binoculars. The primary is a gold-yellow [[giant star]] of magnitude 2.61 and the secondary is similar but at magnitude 3.6; they have a period of 600 years and are 126 light-years from Earth. The unrelated tertiary, [[40 Leonis]], is a yellow-tinged star of magnitude 4.8. Its traditional name, Algieba, means "the forehead".
+* [[Delta Leonis]], called Zosma, is a blue-white star of magnitude 2.58, 58 light-years from Earth.
+* [[Epsilon Leonis]] is a [[yellow giant]] of magnitude 3.0, 251 light-years from Earth.{{sfn|Ridpath|Tirion|2001|pp=166-168}}
+* [[Zeta Leonis]], called Adhafera, is an optical triple star. It is a [[white giant]] star of magnitude 3.65, 260 light-years from Earth. The second-brightest, [[39 Leonis]], is widely spaced to the south and of magnitude 5.8. [[35 Leonis]] is to the north and of magnitude 6.0.
+* [[Iota Leonis]] is a [[binary star]] divisible in medium amateur telescopes; they are divisible in small amateur telescopes at their widest in the years 2053–2063. To the unaided eye, Iota Leonis appears to be a yellow-tinged star of magnitude 4.0. The system, 79 light-years from Earth, has components of magnitude 4.1 and 6.7 with a period of 183 years.
+* [[Tau Leonis]] is a double star visible in binoculars. The primary is a yellow giant of magnitude 5.0, 621 light-years from Earth. The secondary is a star of magnitude 8.
+* [[54 Leonis]] is a binary star 289 light-years from Earth, divisible in small telescopes. The primary is a blue-white star of magnitude 4.5 and the secondary is a blue-white star of magnitude 6.3.{{sfn|Ridpath|Tirion|2001|pp=166-168}}
+Other named stars in Leo include [[Mu Leonis]], Rasalas (an abbreviation of "Al Ras al Asad al Shamaliyy", meaning "The Lion's Head Toward the South"); and [[Theta Leonis]], Chertan or Coxa ("hip").{{sfn|Ridpath|Tirion|2001|pp=166-168}}<ref>{{cite web|url=http://www.constellationsofwords.com/Constellations/Leo.html |title=Leo |website=Constellationsofwords.com |access-date=2016-01-19}}</ref>
+Leo is also home to one bright [[variable star]], the [[red giant]] [[R Leonis]]. It is a [[Mira variable]] with a minimum magnitude of 10 and normal maximum magnitude of 6; it periodically brightens to magnitude 4.4. R Leonis, 330 light-years from Earth, has a period of 310 days and a diameter of 450 [[solar diameter]]s.{{sfn|Ridpath|Tirion|2001|pp=166-168}}
+The star [[Wolf 359]] (CN Leonis), one of the [[List of nearest stars|nearest stars]] to Earth at 7.8 [[light-year]]s away, is in Leo.  Wolf 359 is a [[red dwarf]] of magnitude 13.5; it periodically brightens by one magnitude or less because it is a [[flare star]].{{sfn|Ridpath|Tirion|2001|pp=166-168}} [[Gliese 436]], a faint star in Leo about 33 light-years away from the Sun, is orbited by a transiting Neptune-mass [[extrasolar planet]].<ref>{{cite news|url=https://www.theglobeandmail.com/servlet/story/RTGAM.20040831.wplanet20831a/BNStory/specialScienceandHealth |title=Astronomers discover smallest "exoplanets" yet |location=Toronto |url-status=dead |archive-url=https://web.archive.org/web/20090116080659/http://www.theglobeandmail.com/servlet/story/RTGAM.20040831.wplanet20831a/BNStory/specialScienceandHealth/ |archive-date=January 16, 2009 }}</ref>
+The [[carbon star]] CW Leo ([[IRC +10216]]) is the brightest star in the night sky at the infrared N-band (10 μm wavelength).
+The star [[SDSS J102915+172927]] (Caffau's star) is a population II star in the [[galactic halo]] seen in Leo. It is about 13 billion years old, making it one of the oldest stars in the Galaxy. It has the lowest [[metallicity]] of any known star.
+Modern astronomers, including [[Tycho Brahe]] in 1602, excised a group of stars that once made up the "tuft" of the lion's tail and used them to form the new constellation [[Coma Berenices]] (Berenice's hair), although there was precedent for that designation among the ancient Greeks and Romans.<ref>L. Phil Simpson (Springer 2012) Guidebook to the Constellations: Telescopic Sights, Tales, and Myths, p. 235 ({{ISBN|9781441969415}}).</ref>
+===Deep-sky objects===
+Leo contains many bright [[galaxy|galaxies]];  [[Messier 65]], [[Messier 66]], [[Messier 95]], [[Messier 96]], [[Messier 105]], and [[NGC 3628]] are the most famous, the first two being part of the [[Leo Triplet]].
+The [[Leo Ring]], a cloud of hydrogen, helium gas, is found in the orbit of two galaxies found within this constellation.[[File:Phot-33c-03-fullres.jpg|thumbnail|left|Messier 66]]M66 is a spiral galaxy that is part of the Leo Triplet, whose other two members are M65 and NGC 3628. It is at a distance of 37 million light-years and has a somewhat distorted shape due to gravitational interactions with the other members of the Triplet, which are pulling stars away from M66. Eventually, the outermost stars may form a dwarf galaxy orbiting M66.<ref name="objects">{{cite book |title = 300 Astronomical Objects: A Visual Reference to the Universe |last1 = Wilkins |first1 = Jamie |last2 = Dunn |first2 = Robert |publisher = Firefly Books |location = Buffalo, New York |date = 2006 |isbn = 978-1-55407-175-3}}</ref> Both M65 and M66 are visible in large binoculars or small telescopes, but their concentrated nuclei and elongation are only visible in large amateur instruments.{{sfn|Ridpath|Tirion|2001|pp=166-168}}
+[[File: A Horseshoe Einstein Ring from Hubble.JPG|thumb|The notable [[gravitational lens]] known as the [[Cosmic Horseshoe]] is found in Leo.]]
+M95 and M96 are both [[spiral galaxies]] 20 million light-years from Earth. Though they are visible as fuzzy objects in small telescopes, their structure is only visible in larger instruments. M95 is a [[barred spiral galaxy]]. M105 is about a degree away from the M95/M96 pair; it is an [[elliptical galaxy]] of the 9th magnitude, also about 20 million light-years from Earth. {{sfn|Ridpath|Tirion|2001|pp=166-168}}
+[[NGC 2903]] is a [[barred spiral galaxy]] discovered by [[William Herschel]] in 1784. It is very similar in size and shape to the Milky Way and is located 25 million light-years from Earth. In its core, NGC 2903 has many "hotspots", which have been found to be near regions of [[star formation]]. The star formation in this region is thought to be due to the presence of the dusty bar, which sends shock waves through its rotation to an area with a diameter of 2,000 light-years. The outskirts of the galaxy have many young [[open cluster]]s.<ref name=" objects"/>
+Leo is also home to some of the largest structures in the observable universe. Some of the structures found in the constellation are the [[Clowes–Campusano LQG]], [[U1.11]], [[U1.54]], and the [[Huge-LQG]], which are all [[large quasar group]]s; the latter being the second largest structure known<ref>{{cite news|date= 11 January 2013|last=Prostak|first=Sergio|title=Universe's Largest Structure Discovered|url=http://www.sci-news.com/astronomy/article00818.html|publisher=scinews.com|access-date=15 January 2013}}</ref> (see also [[NQ2-NQ4 GRB overdensity]]).
+===Meteor showers===
+The [[Leonids]] occur in November, peaking on November 14–15, and have a [[radiant (meteor shower)|radiant]] close to [[Gamma Leonis]]. Its parent body is [[Comet Tempel-Tuttle]], which causes significant outbursts every 35 years. The normal peak rate is approximately 10 meteors per hour.{{sfn|Ridpath|Tirion|2001|pp=166-167}}
+The [[January Leonids]] are a minor shower that peaks between January 1 and 7.<ref>{{cite journal |journal = Sky & Telescope |date = September 2011 |last = Jenniskens |first = Peter |page = 24 |title = Mapping Meteoroid Orbits: New Meteor Showers Discovered}}</ref>
+== Историја и митологија ==
+[[File:F17.v. Leo -NLW MS 735C.png|thumb|Leo from a western scientific manuscript, c.1000]]
+Leo was one of the earliest recognized constellations, with archaeological evidence that the Mesopotamians had a similar constellation as early as 4000 BCE.<ref name="pasachoff"/> The Persians called Leo ''Ser'' or ''Shir''; the Turks, ''Artan''; the Syrians, ''Aryo''; the Jews, ''Arye''; the Indians, ''Simha'', all meaning "lion".
+Some mythologists believe that in Sumeria, Leo represented the monster [[Humbaba]], who was killed by [[Gilgamesh]].<ref>Tamra Andrews (Oxford University Press 2000) Dictionary of Nature Myths: Legends of the Earth, Sea, and Sky ({{ISBN|9780195136777}}).</ref>
+In Babylonian astronomy, the constellation was called UR.GU.LA, the "Great Lion"; the bright star [[Regulus]] was known as "the star that stands at the Lion's breast." Regulus also had distinctly regal associations, as it was known as the King Star.<ref>''Babylonian Star-lore'' by Gavin White, Solaria Publications, 2008 page 140, {{ISBN|978-0955903700}}</ref>
+In [[Greek mythology]], Leo was identified as the [[Nemean lion|Nemean Lion]] which was killed by [[Heracles]] (Hercules to the Romans) during the first of his [[Labours of Hercules|twelve labours]].<ref name="pasachoff">{{cite book |title=Stars and Planets |last = Pasachoff |first = Jay M. |location = Boston, Massachusetts |publisher = Houghton Mifflin|isbn=9780395537596 |date = 2006}}</ref>{{sfn|Ridpath|Tirion|2001|pp=166-167}}  The Nemean Lion would take women as hostages to its lair in a cave, luring warriors from nearby towns to save the damsel in distress, to their misfortune.<ref name=Parker>{{cite book|title=Mythology: Myths, Legends and Fantasies|date=2007|publisher=[[Struik]]|isbn=9781770074538|pages=121–122|editor=Janet Parker|display-editors=etal}}</ref> The Lion was impervious to any weaponry; thus, the warriors' clubs, swords, and spears were rendered useless against it. Realizing that he must defeat the Lion with his bare hands, Hercules slipped into the Lion's cave and engaged it at close quarters.<ref name=Parker /> When the Lion pounced, Hercules caught it in midair, one hand grasping the Lion's forelegs and the other its hind legs, and bent it backwards, breaking its back and freeing the trapped maidens.<ref name=Parker /> Zeus commemorated this labor by placing the Lion in the sky.<ref name=Parker />
+== Визуализације ==
+[[File:Sidney Hall - Urania's Mirror - Leo Major and Leo Minor.jpg|thumb|left|Leo, with Leo Minor above, as depicted in ''[[Urania's Mirror]]'', a set of constellation cards published in London c.1825.]]
+Leo is commonly represented as if the sickle-shaped [[Asterism (astronomy)|asterism]] of stars is the back of the Lion's head. The sickle is marked by six stars: [[Epsilon Leonis]], [[Mu Leonis]], [[Zeta Leonis]], [[Gamma Leonis]], [[Eta Leonis]], and [[Regulus|Alpha Leonis]]. The lion's tail is marked by [[Beta Leonis]] (Denebola) and the rest of his body is delineated by [[Delta Leonis]] and [[Theta Leonis]].{{sfn|Ridpath|Tirion|2001|pp=166-167}}
+== Референце ==
+{{Reflist}}
+== Литература ==
+{{Refbegin}}
+* ''Star Names: Their Lore and Meaning'', by Richard Allen Hinckley, Dover. {{ISBN|0-486-21079-0}}
+* {{citation |title = Stars and Planets Guide |last1 = Ridpath |first1 = Ian |last2 = Tirion |first2 = Wil |year = 2001 |publisher = Princeton University Press |isbn = 0-691-08913-2}}
+* Ian Ridpath and Wil Tirion (2007). ''Stars and Planets Guide'', Collins, London. {{ISBN|978-0-00-725120-9}}. Princeton University Press, Princeton. {{ISBN|978-0-691-13556-4}}.
+* ''Dictionary of Symbols'', by Carl G. Liungman, W. W. Norton & Company. {{ISBN|0-393-31236-4}}
+{{refend}}
 == Спољашње везе ==
-{{портал|Астрономија}}
 {{Commonscat|Leo (constellation)}}
+* [http://www.allthesky.com/constellations/leo/constell.html The Deep Photographic Guide to the Constellations: Leo]
+* [http://astrojan.eu5.org/leo.htm The clickable Leo]
+=== Посматрачки линкови ===
+* [https://web.archive.org/web/20090410063356/http://www.windows.ucar.edu/tour/link%3D/the_universe/Constellations/spring/leo.html%26edu%3Dhigh Information from Windows to the Universe]
+* [https://web.archive.org/web/20081202132658/http://www.seds.org/Maps/Stars_en/Fig/leo.html Star Map of Leo and Information from Students for Exploration and Development of Space]
+* [http://www.astro.wisc.edu/~dolan/constellations/constellations/Leo.html Information about Leo from Chris Dolan]
+* [http://www.stardate.org/nightsky/constellations/leo.html Information from StarDate Online]
+* [https://web.archive.org/web/20081216093813/http://www.pacificsites.com/~hakuna/leo.html Leo's skymap and information from Gary Madison]
+* [https://web.archive.org/web/20081219053612/http://www.astro.uiuc.edu/~kaler/sow/leo-t.html Star Map of Leo and basic information]
+=== Наука ===
+* [https://www.sciencedaily.com/releases/2008/04/080409113958.htm New planet discovery in Leo's constellation]
+=== Митови ===
+* '''[http://www.ianridpath.com/startales/leo.html Star Tales – Leo]'''
+* [http://www.comfychair.org/~cmbell/myth/leo.html Myth Info from comfychair.org]
+* [https://web.archive.org/web/20110728094250/http://www.thegreekgods.org/Leo_Constellation_Mythology.htm Myth Info from TheGreekGods.org]
+* [https://web.archive.org/web/20081015142605/http://www.coldwater.k12.mi.us/lms/planetarium/myth/leo.html Myth Info from ColdWater Schools]
+* [https://web.archive.org/web/20091027135532/http://www.geocities.com/masked_trudi/starwatch_constellation_leo.html Myth Info from Star Watch GeoCity]
+* [http://www.heavens-above.com/myth.aspx?lat=0&lng=0&loc=B&alt=0&tz=CET&con=Leo Myth Info from heavens-above.com]
+* [https://iconographic.warburg.sas.ac.uk/vpc/VPC_search/subcats.php?cat_1=9&cat_2=71&cat_3=32&cat_4=41&cat_5=46 Warburg Institute Iconographic Database (medieval and early modern images of Leo)]
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