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NASA image of the day · 15 October 2026

Chandra Finds Possible Origin of 'Treble Clef' Waves

Chandra Finds Possible Origin of 'Treble Clef' Waves
Credit: NASA · See it on nasa.gov ↗

Astronomers have used NASA’s Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they have nicknamed the “Treble Clef” because its distinct shape strongly resembles the musical symbol.

The text is NASA’s caption.

From NASA’s Image of the Day. NASA’s own photos are generally not protected by copyright; each one keeps NASA’s credit line, and pictures credited to anyone else are left out. NASA does not endorse this site. nasa.gov ↗