Proxima Centauri might be more Sun-like than we thought

Astronomers recently announced that the nearby star Proxima Centauri hosts an Earth-sized planet in its habitable zone. Proxima Centauri is a small, cool, red dwarf star only one-tenth as massive and one-thousandth as luminous as the Sun. However, new research shows that it is Sun-like in one surprising way: it has a regular cycle of starspots.

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Hubble captures a birthday bubble

This new NASA/ESA Hubble Space Telescope image, released to celebrate Hubble’s 26th year in orbit, captures in stunning clarity an object known as the Bubble Nebula (NGC 7635) — a cloud of gas and dust illuminated by the brilliant star within it. The vivid new portrait wins the Bubble Nebula a place in the exclusive Hubble hall of fame.