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Credit & Copyright: Anglo-Australian Telescope
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Explanation:
Leo I is a
dwarf spheroidal
galaxy in the
Local Group of galaxies dominated
by our
Milky Way Galaxy and
M31. Leo I is thought to be the most distant of
the eleven known small
satellite galaxies orbiting our
Milky Way Galaxy.
Besides the
LMC and the
SMC, all Milky Way satellite galaxies are
small,
dim, dwarf spheroidals, including the closest galaxy - the
Sagittarius
Dwarf. Leo I is most distant than most of them, thought to be about 250
kpc away. Analysis of stars in Leo I show it contains many stars only about
3 billion years old - much younger than in most galaxies.
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NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: dwarf galaxy - Leo
Publications with words: dwarf galaxy - Leo
See also: