The Rho Ophiuchi Region is a large, complex region of stars, emission nebulae, and dark nebulae covering an area 4.5° by 6.5°. Its impressive size is due to proximity. The Rho Ophiuchi complex is only ...

The Rho Ophiuchi region is the sky's most colorful area. Human eyes can't see these colors, even with telescopes. Photographs show blue, red, yellow, and orange colors. These colors come from hydrogen ...

Posted: March 11, 2025 | Last updated: July 11, 2025 The James Webb Space Telescope's look at the Rho Ophiuchi cloud complex. The image showcase a "small star-forming region" within the complex that ...

The repeated explosions from the recurrent nova RS Ophiuchi (RS Oph) provide favorable environments for accelerating protons to very high energies, a new international study reports. The results ...

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