Astronomy Picture of the Day
    


APOD: 2026 July 1 Á The Cotton Candy Clouds of Rho Ophiuchi
<< Yesterday 1.07.2026 Tomorrow >>
APOD: 2026 July 1 Á The Cotton Candy Clouds of Rho Ophiuchi
Credit & Copyright: Keighley Rockcliffe (NASA GSFC, UMBC CSST, CRESST II)
Explanation: Although they look like cotton candy, you cannot eat these clouds! Taken in Cádiz, Spain, today's image features the Rho Ophiuchi complex, a rich tapestry of young and old astronomical phenomena. This colorful cloud complex is a nearby star-forming region containing hundreds of young stellar objects, including protostars and T Tauri stars. Light from the triple star system at its center reflects off of small dust grains to create the blue reflection nebula. Ultraviolet light from hot stars ionizes the surrounding hydrogen gas, creating the red emission nebula. Antares, a red supergiant big enough to engulf the Solar SystemÁs asteroid belt, lights up the yellow region. Dark interstellar dust blocks some of the complexÁs color. Recent JWST observations exhibit shadows cast by hidden circumstellar disks, the beginning stages of planet formation. Messier 4, a globular cluster almost as old as the universe, sits in the bottom right and witnesses yet another chaotic burst of youth in the Milky Way.

January
February
March
April
May
June
July
 < July 2026  
Mo Tu We Th Fr Sa Su


12345
6789101112
13141516171819
20212223242526
2728293031

Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Based on Astronomy Picture Of the Day

Publications with keywords: Antares - nebula
Publications with words: Antares - nebula
See also:
All publications on this topic >>