Billion-Year-Old Collision Gave Galaxy Unusual Features

Credit: NASA/AURA/STScl
This Hubble Space Telescope image shows new details of a long-observed galaxy, revealing stars being formed as a result of a collision that took place more than 1 billion years ago. Astronomers have studied the "Black Eye" galaxy since the 18th century, but only in the 1990s were they able to make...

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