NGC 7715 – Astronomy Now

24 April 2026

Latest News

[ 14 April 2026 ] Moon dust preserves record of life’s building blocks News
[ 11 April 2026 ] Dark matter may come in multiple forms, new model suggests News
[ 2 April 2026 ] Witness to history: Artemis II, lunar exploration and hope News
[ 25 March 2026 ] Artificial Intelligence uncovers more than 100 new worlds in NASA data News
[ 24 March 2026 ] XRISM solves gamma-Cas’s 50-year X-ray mystery News

The tell-tale signs of a galactic merger

29 January 2015 Astronomy Now

NGC 7714 is a spiral galaxy in the constellation Pisces that drifted too close to its companion. The gravitational interaction has twisted its spiral arms out of shape, dragged streams of material out into space, and triggered bright bursts of star formation.