Hubble's collection of
galaxy collision images vividly illustrates the progression of a collision from approach to interaction, through tidal tail development, and ending in the merger of the galaxies.
Not exact matches
It combines visible light
images from Hubble and the Very Large telescope (shown in blue, green, and red)- which show gas and stars - with X-ray
images from Chandra (shown in pink) which picks out extremely hot gas in between the
galaxies, heated by the
collision.
In the Fornax cluster (right) the core cloud is swept back like a comet's tail toward the top of the
image, indicating it is moving through even more diffuse gas on a
collision course with the
galaxy at lower left.
Astronomers are studying the combined
image in an attempt to decipher the sequence of
galaxy - cluster
collisions.
«Shocking results of
galaxy - cluster
collisions: Multi-wavelength
image helping astronomers decipher complex
collision history.»
The Cartwheel
galaxy's concentric rings of star formation were probably triggered by a
collision with a smaller
galaxy, possibly one of the ones in the bottom - left of this multi-wavelength
image.
Hubble's
images show that they are like the remnants of
galaxy collisions.
I am co-author (together with my friends Lars Lindberg Christensen and Raquel Yumi Shida) of «Cosmic
Collisions - The Hubble Atlas of Merging
Galaxies», a book containing a hundred new images of colliding galaxies from the NASA / ESA Hubble Space Te
Galaxies», a book containing a hundred new
images of colliding
galaxies from the NASA / ESA Hubble Space Te
galaxies from the NASA / ESA Hubble Space Telescope.
Dazzling eyelid - like features bursting with stars in
galaxy IC 2163 formed from a tsunami of stars and gas triggered by a glancing
collision with
galaxy NGC 2207 (a portion of its spiral arm is shown on right side of
image).
An
image of the present day line - up for the
collision between our Milky Way
galaxy and the Andromeda
galaxy.
3.75 billion years from now - the nighttime sky showing the Andromeda
galaxy (M31) early in its
collision with our Milky Way
galaxy (
Image: NASA / STScI)
Another tantalizing possibility is that the low - frequency
images may reveal «halos» and «relics» produced by
collisions of
galaxies in clusters.