Hubble (@NASAHubble) “What's going on next door? A new study using Hubble data shows that Andromeda, o” — TopicDigg
Hubble
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What's going on next door?
A new study using Hubble data shows that Andromeda, our nearest major galaxy neighbor, has undergone a 500-million-year decline in star formation – with an even steeper drop in the last 40 million years:
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