Space.com June 27, 2026 • 10:00

Strange glowing 'bow-and-arrow' structure may be a giant cosmic shock wave created by a supersonic galaxy collision - Space

By Samantha Mathewson

Strange glowing 'bow-and-arrow' structure may be a giant cosmic shock wave created by a supersonic galaxy collision - Space

The unusual object may reveal a giant cosmic shock wave created as a galaxy plows through a cluster at supersonic speeds.

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