Related topics: hubble space telescope · milky way · galaxies · stars

Galaxies breathe gas, and when they stop, no more stars form

For most of the history of astronomy, all we could see were stars. We could see them individually, in clusters, in nebulae, and in fuzzy blobs that we thought were clumps of stars but were actually galaxies. The thing is, ...

Images capture 850-year-old aftermath of stellar collision

A Dartmouth professor's images of the explosive aftermath from the collision of two dying stars could help scientists better understand this rare type of astronomical event—and may finally confirm the identity of a brilliant ...

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