Credit & Copyright:
J.Higdon (NRAO),
C.Struck, P.Appleton (ISU),
K.Borne (Hughes STX),
R.Lucas (STScI),
NASA
Explanation:
In yesterday's episode our hero,
the Cartwheel galaxy,
had survived a chance cosmic collision with a small intruder galaxy -
triggering an expanding ring of star formation.
Hot on the intruder's trail, a team of
multiwavelength
sleuths have compiled
evidence tracking the reckless galaxy fleeing the scene.
Presented for your consideration: a composite showing
a visual image
of the Cartwheel galaxy (at left) and smaller galaxies
of the Cartwheel group, superposed
with high resolution
radio observations of neutral hydrogen (traced
by the green contours).
The neutral hydrogen trail suggestively leads to the culprit
galaxy at the far right, presently about 250,000 light years distant
from the Cartwheel!
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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.
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Publikacii s klyuchevymi slovami:
vzaimodeistvuyushie galaktiki - radioizluchenie neitral'nogo vodoroda - zvezdoobrazovanie
Publikacii so slovami: vzaimodeistvuyushie galaktiki - radioizluchenie neitral'nogo vodoroda - zvezdoobrazovanie | |
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