News tagged with galaxies

How massive can black holes get?

Without the light pressure from nuclear fusion to hold back the mass of the star, the outer layers compress inward in an instant. The star dies, exploding violently as a supernova.

dateAug 11, 2015 in Astronomy
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Mysterious cosmic radio bursts found to repeat

Astronomers for the first time have detected repeating short bursts of radio waves from an enigmatic source that is likely located well beyond the edge of our Milky Way galaxy. The findings indicate that these "fast radio ...

dateMar 02, 2016 in Astronomy
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Citizen scientists discover what's out there

It's National Science Week and this year the annual citizen science project run by ABC Science is astronomy-themed. No guesses for knowing that I'm excited about that! It's also a nod to 2015 being the International Year ...

dateAug 19, 2015 in Astronomy
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Image: Hubble sees a galactic sunflower

The arrangement of the spiral arms in the galaxy Messier 63, seen here in an image from the NASA/ESA Hubble Space Telescope, recall the pattern at the center of a sunflower. So the nickname for this cosmic object—the Sunflower ...

dateSep 14, 2015 in Astronomy
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