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Astronomy Picture Of the Day (APOD)
APOD: 2026 July 1 Б The Cotton Candy Clouds of Rho Ophiuchi
1.07.2026
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.
APOD: 2026 June 30 Б Unusually Smooth Sections of Asteroid Itokawa
30.06.2026
Why are parts of this asteroid's surface so smooth? The answer seems likely to do with the dynamics of an asteroid that is a loose pile of rubble rather than a solid rock.
APOD: 2026 June 29 Б M82: Galaxy with a Supergalactic Wind
29.06.2026
Why is the Cigar Galaxy billowing red smoke? M82, as this starburst galaxy is also known, was stirred up by a recent pass near large spiral galaxy M81. This doesn't fully explain the source of the red-glowing outwardly expanding gas and dust, however.
APOD: 2026 June 28 Б AR 4478: Giant Sunspot Group
28.06.2026
Right now, one of the largest sunspot groups in recent history is crossing the Sun. Active Region 4478 is not only big -- it's violent, showing tangled magnetic fields capable of throwing off huge clouds of particles into the Solar System. Some of these CMEs might impact the Earth.
APOD: 2026 June 27 Б Mars Marathon by Perseverance
27.06.2026
In this recent HiRISE view from the Mars Reconnaissance Orbiter, the little green dot indicated on the surface of the big Red Planet is the Perseverance Mars rover. Recorded on June 13, the car-sized...
APOD: 2026 June 26 Б Milky Way Urban Style
26.06.2026
In a cosmic vista you can never see, the Milky Way arcs through the night above Seoul, South Korea. Remarkably, this urban night skyscape reveals our galaxy's faintly luminous central region and dark obscuring dust clouds in spite of the brilliant city lights.
Anticrepuscular Rays over Sicily
25.06.2026
The Sun has just set... in the opposite side of the sky. Pictured here are anticrepuscular rays apparently converging in the east in this image of the limestone plateau in the heart of the Hyblaean Mountains of southeastern Sicily, in Italy. How were these anticrepuscular rays formed, if the Sun wasn't there?
APOD: 2026 June 22 Б M27: The Dumbbell Nebula
22.06.2026
Is this what will become of our Sun? Quite possibly. The first hint of our Sun's future was discovered inadvertently in 1764. At that time, Charles Messier was compiling a list of diffuse objects not to be confused with comets.
APOD: 2026 June 21 Б Keogram: The Sky in 2025
21.06.2026
What if you could see the entire sky -- all at once -- for an entire year? That, very nearly, is what is pictured here. Every 15 seconds during 2025, an all-sky camera took an image of the sky over the Netherlands.
APOD: 2026 June 20 Б Daytime Moon Meets Evening Star
20.06.2026
Venus is now appearing on the celestial stage as Earth's brilliant evening star, performing with the Moon, other wandering planets, and bright stars in western skies. For evening sky gazers on June 17, the celestial beacon rose after sunset close by a young, slender, crescent Moon.
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