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Astronomy Picture of the Day
NGC 3310: A Starburst Spiral Galaxy
April 5, 2026·© AAO ITSO Office,
Gemini Obs./AURA &
T. A. Rector
(U. Alaska Anchorage)
The party is still going on in spiral galaxy NGC 3310. Roughly 100 million years ago, NGC 3310 likely collided with a smaller galaxy causing the large spiral galaxy to light up with a tremendous burst of star formation. The changing gravity during the collision created density waves that compresse…
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