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A Star was Blocking a Galaxy, but Now it’s Moved Enough That Astronomers can Finally Examine What it Was Hiding

One of the biggest puzzles in astronomy, and one of the hardest ones to solve, concerns the formation and...

How Do Stars Get Kicked Out of Globular Clusters?

Globular clusters are densely-packed collections of stars bound together gravitationally in roughly-shaped spheres. They contain hundreds of thousands...

Astronomers Detect the Faint Glow of Stars in Between Galaxies

Not all stars are members of galaxies. Some stars exist in the space between galaxies, though they didn’t...

The Perfect Tidal Tail Connects These two Galaxies Seen by Hubble

Sometimes it’s tempting to imagine a supernatural hand behind the arrangement of celestial bodies. But the Universe is...

Too Many Supernovae Can Slow Star Formation in a Galaxy

Interstellar winds are powerful agents of change. For one thing, they can interrupt or shut down the process...

Webb and Hubble Peer Into the Wreckage of a Galactic Collision

Earlier this month we asked, what could be better than a pair of galaxies observed by a pair of...

A New 3,200-Megapixel Camera Has Astronomers Salivating

The world’s biggest digital camera is finally coming into focus. While a very powerful personal camera might have...

What Drives Galaxies? The Milky Way’s Black Hole May Be the Key

On May 12, at nine simultaneous press conferences around the world, astrophysicists revealed the first image of the black...

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