20 de outubro de 2020 , por
The Myth Behind the Constellation Leo.
The name Leo is the Latin version of lion. R Leonis has a radius 320-350 times solar. The ancient Greeks (who loved mythology so much) observing Leo constellation saw the Nemean lion killed by the legendary hero Hercules during one of 12 exploits. Gamma Leonis is a double star in Leo. These cookies do not store any personal information. Its symbol is ♌. Stellar diagram of the Leo constellation. (The second pair of stars is practically invisible from the Earth since they are often blocked by the Moon, Venus, and Mercury. See Also: Virgo, Libra, Scorpio, Sagittarius. Beta Leonis is a relatively young star. The star’s traditional name, Alterf, comes from the Arabic aṭ-ṭarf, which means “the view (of the lion).”.
It is located at a distance of 70 light-years from us. The name “Algiyeba” comes from the Arabic “Al Jeba”, which means “forehead”, although this star (or rather a star pair) symbolizes the lion’s mane. Iota Leonis is a spectroscopic binary star with the stellar classification F3 V. It has a visual magnitude of 4.00 and is approximately 79 light years distant from the Sun. In its core, NGC 2903 has many "hotspots", which have been found to be near regions of star formation. Denebola is a hot white giant, the layers of its substance constantly move inward or outward, because of which it constantly flickers, changing its shine every 2-3 hours.
Messier 105 is an elliptical galaxy in Leo. Your email address will not be published. It’s said that in another 600 million years this will be a red giant. Like Regulus and Denebola, Zosma has an equatorial bulge and an oblate shape. 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.
It has an apparent magnitude of 4.044 and is approximately 210 light years distant. This is the second brightest star (and the 61st brightest star in the sky).
European astronomers called it “Regulus”, which in Latin means “Prince”. It has a visual magnitude of 3.856 and is approximately 5,000 light years distant. It is easy to observe in a small telescope under good conditions and appears as a bright double star with orange red and greenish yellow components. M96 is located in the constellation of Leo (The Lion). Location: Leo being the 12th largest constellation occupies an area of 947 square degrees. Both stars revolve very quickly around a common center of mass – a complete cycle completes in 40 days. The Persians knew the constellation as Shir or Ser, Babylonians called it UR.GU.LA (“the great lion”), Syrians knew it as Aryo, and the Turks as Artan.
[12] The Lion was impervious to any weaponry; thus, the warriors' clubs, swords, and spears were rendered useless against it. Supposedly, Leo is the lion and the veil is next to it as the constellation Coma Berenices. has two entrances. The Greeks associated Leo with the Nemean lion, the beast killed by Heracles during the first of his twelve labours. It has 214% of the solar radius and is about 15 times more luminous than the Sun. Leo.
Regulus also had distinctly regal associations, as it was known as the King Star. It is 85 times more luminous than the Sun.
It has a visual magnitude of 2.98 and is the fifth brightest star in the constellation Leo. It has a visual magnitude varying from 4.4 to 11.3 with a period of 312 days and is classified as a Mira variable.
All content Copyright 2010-2020, Royal Mint Publishing LLC. The first pair consists of a large young blue star Regulus A and a white dwarf. M95 belongs to the M96 Group of galaxies, which also includes M96 and M105, and also at least nine other galaxies. The galaxy can be found below the bright star Theta Leonis. Eventually, the outermost stars may form a dwarf galaxy orbiting M66. But opting out of some of these cookies may have an effect on your browsing experience. Sigma Leonis is a blue-white star belonging to the spectral class B9.5Vs. The Leo constellation can be observed all year round in the Northern Hemisphere.
NGC 3628 hides its spiral structure because it is seen perfectly edge-on, exactly as we observe the Milky Way on a clear night. NGC 3384 belongs to the M96 Group (Leo I Group) of galaxies. Along with Messier 65 and Messier 66, NGC 3628 forms the Leo Triplet galaxy group. Regulus, Alpha Leonis, is the brightest star in Leo and the 22nd brightest star in the sky. The two components in the Omicron Leonis system belong to the spectral classes F9III (a giant) and A5mV (a main sequence star). Denebola has excess of strong infrared so it might have debris disk of dust in its orbit. It was killing the local inhabitants and could not be killed because its skin could not be pierced by any weapons. hands. Theta Leonis is another white main sequence star. So, if you look at the Big Dipper of the Ursa Major constellation and imagine that water is pouring from its far edge, then this water will fall … just on the scruff of Leo. The black hole at the centre of the galaxy is believed to have a mass of 9.7 billion solar masses. The sickle is marked by six stars: Epsilon Leonis, Mu Leonis, Zeta Leonis, Gamma Leonis, Eta Leonis, and Alpha Leonis. Toronto. The myth of the constellation Leo tells a complicated story. The cloud was discovered by radio astronomers in 1983. Most legends assume that this is done as an ode to Hercules, but if that is the case, why is the Nemean Lion the one that ascends to the stars, which is typically reserved as an honor?From what I have gathered, the best explanation is this: Hera (Greek mythology) has essentially played "Godmother" to most of Greek myth's great monsters, including the Nemean Lion. Its parent body is Comet Tempel-Tuttle, which causes significant outbursts every 35 years. Statues depicting lion heads can be found along building by the Nile.One other story, which I won't get into too much because it's really not related, is basically the precursor to "Romeo and Juliet", where two star-crossed lovers (Pyramus and Thisbe) decide to run off together, starting with a meeting by a mulberry tree. It has an apparent magnitude of 3.324 and is approximately 165 light years distant from the solar system. It is the second brightest star in constellation Leo and is also the 61st brightest star in the sky. The Roman poet Ovid called it Herculeus Leo and Violentus Leo. The Leo constellation is connected in almost every way to the sun. Necessary cookies are absolutely essential for the website to function properly. The star is approximately 247 light years distant from Earth.
M65’s disk appears slightly warped, which, along with some recent starburst activity, suggests that the galaxy is interacting with another object. One of the very earliest constellations to be known, Leo means a lot of things to different civilizations throughout the ages. Gliese 436 is another red dwarf located relatively close to the Sun.
hard enough to stun it, then proceeds to choke it to death with his bare Yet the Greeks are not the only ones who associated their myths and legends with the Leo constellation. However, the most prevalent myth associated with Leo remains the Greek one. Leo is the 12th largest constellation in size, occupying an area of 947 square degrees.
Link/cite this page. The Leo constellation is located in the northern hemisphere, in the space between the neighboring constellations Virgo and Cancer.
M66 is a spiral galaxy that is part of the Leo Triplet, whose other two members are M65 and NGC 3628.
It is the brightest star in the constellation Leo and the 22nd brightest star in the sky. Save my name, email, and website in this browser for the next time I comment. They are located at an angular distance of 177 arc seconds from Regulus A. The Leo constellation is one of the first constellations observed by man. The normal peak rate is approximately 10 meteors per hour.
R Leonis is a red giant star of the spectral type M8IIIe. Zosma is a white main sequence star of the spectral type A4 V, approximately 58.4 light years from Earth.
It has a nominal luminosity of 11,300 times that of the Sun, but this varies over the course of the pulsation cycle, from 6,250 to 15,800 times the Sun’s luminosity. After the lion was dead, Heracles skinned it with it's own claws and made some wonderful armor from the pelt and jaw.
The asterism of Leo in its form resembles a “sickle,” which consists not only of stars but of entire galaxies.
Leo /ˈliːoʊ/ is one of the constellations of the zodiac, lying between Cancer the crab to the west and Virgo the maiden to the east. They have a combined apparent magnitude of 3.53. [7], USS Leonis (AK-128) was a United States Navy Crater class cargo ship named after the Latin version of this constellation name. Some say It lived in the hills of Nemea in Greece. The Egyptians also recognized the Leo constellation and it's champion star, Regulus.
The spiral arms form an almost perfect circle around the galactic centre before they spread out, creating a mane-like effect of which any lion would be proud.Another, perhaps even more striking, feature of Messier 95 is its blazing golden core. In 1922, the International Astronomical Union (IAU) recognized 88 modern constellations.. Constellation names that come from Greek mythology and figures from Greek and Roman myths are the best known. The star has an estimated age of less than a billion years.
Babylonians knew the star Regulus as “the star that stands at the Lion’s breast,” or the King Star. In Babylon the people regarded the star Regulus as “the star standing at the breast of the Lion” or the King Star. It is classified as a Delta Scuti variable, which means that its brightness varies slightly over a period of a few hours. In the sky, the six bright stars that form the Sickle of Leo represent the lion’s head, and the brightest star in the constellation, Regulus (Alpha Leonis), marks the beast’s heart. 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).
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It was discovered by William Herschel in 1784.
As of 2002[update], the Sun appears in the constellation Leo from August 10 to September 15. They eventually expel their outer envelopes to form planetary nebulae and become white dwarfs within a few million years. It has an apparent magnitude of 10.25 and is approximately 35 million light years distant. M66 is approximately 95,000 light years across and notable for its dust lanes and bright star clusters. The two stars complete an orbit around their common centre of mass every 40 days or so.
It is mandatory to procure user consent prior to running these cookies on your website. The galaxy is notable for having a long tidal tail spanning about 300,000 light years, and a broad, obscuring dust band along the outer edge of its spiral arms.
Its estimated age is 162 million years.
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