Credit & Copyright: NASA>,
ESA,
F. Summers, Z. Levay, L. Frattare, B. Mobasher, A. Koekemoer and the HUDF Team
(STScI)
Explanation:
What would it look like to fly through the distant universe?
To find out, a team of astronomers estimated the relative distances
to over 5,000 galaxies in one of the most distant fields of galaxies ever imaged:
the
Hubble Ultra Deep Field
(HUDF).
Because it takes light a long time to cross the universe, most galaxies visible in
the
above video
are seen when the universe was only a fraction of its current age, were
still forming, and have unusual shapes when compared to modern galaxies.
No mature looking spiral galaxies such as our
Milky Way or the
Andromeda galaxy yet exist.
Toward the end of the video the
virtual observer flies past the furthest galaxies in
the
HUDF field, recorded to have a
redshift past 8.
This early class of low luminosity
galaxies
likely contained
energetic stars emitting light that
transformed much of the
remaining normal matter in the universe from a cold gas
to a hot ionized
plasma.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
|
Publikacii s klyuchevymi slovami:
Hubble Deep Field - galaxies - kosmicheskii teleskop im.Habbla - galaktiki
Publikacii so slovami: Hubble Deep Field - galaxies - kosmicheskii teleskop im.Habbla - galaktiki | |
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