Credit & Copyright: NASA,
ESA,
Hubble Heritage
(STScI /
AURA) -
ESA/Hubble Collaboration,
K. Noll (STScI)
Explanation:
Linking spiral arms, two large colliding galaxies are
featured in this Hubble Space Telescope
view, part of a series of cosmic snapshots released
to celebrate
the Hubble's 18th anniversary.
Recorded in astronomer Halton Arp's Atlas of
Peculiar Galaxies as Arp 272, the
pair is otherwise known as
NGC 6050 and IC 1179.
They lie some 450 million light-years away in the
Hercules Galaxy Cluster.
At that estimated distance, the picture spans over 150 thousand
light-years.
Although this
scenario
does look peculiar,
galaxy collisions
and their eventual mergers are now understood to be common,
with Arp 272 representing a stage in this inevitable process.
In fact, the nearby large spiral
Andromeda Galaxy is known
to be approaching our own galaxy and Arp 272 may offer a glimpse of
the far future collision between
Andromeda and
the Milky Way.
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A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
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Publikacii s klyuchevymi slovami:
colliding galaxies - stalkivayushiesya galaktiki
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