A new composite image from NASA's Great Observatories presents a stunning display of the Antennae galaxies.
X-ray data from Chandra (blue), optical data from Hubble (gold and brown), and infrared data from Spitzer (red) are featured.
Supernova explosions are enriching the intergalactic gas with elements like oxygen, iron, and silicon that will be incorporated into new generations of stars and planets
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