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The luminous galaxy Arp220, as seen in the visible and near-infrared with Hubble. Astronomers have modeled dusty galaxies in the early universe that are similar to Arp220 but even more extreme in their luminosities, and found that extreme bursts of star formation can explain their huge power output.
Credit: NASA/Hubble
Low Resolution Image (jpg)
Credit: NASA/Hubble
Low Resolution Image (jpg)
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