Astronomy Picture of the Day

Astronomy Picture Of the Day (APOD)

M82 после столкновения M82 After the Crash

When did the Cigar Galaxy light up? Evidence indicates how M82, the Cigar Galaxy, became so bright and peculiar: it collided with neighboring galaxy M81. Astronomers become detectives, however, when trying to figure out when this collision occurred.

NGC 1818: молодое шаровое скопление NGC 1818: A Young Globular Cluster

Globular clusters once ruled the Milky Way. Back in the old days, back when our Galaxy first formed, perhaps thousands of globular clusters roamed our Galaxy. Today, there are perhaps 200 left. Many globular clusters were destroyed over the eons by repeated fateful encounters with each other or the Galactic center.

"Аполлон"/"Сюрвейор" - стереоснимок Apollo Surveyor Stereo View

Put on your red/blue glasses and gaze into this dramatic stereo view from the surface of the Moon! Inspired by last Saturday's APOD, Patrick Vantuyne offers this stereo rendering of the captivating picture of Apollo 12 astronaut Pete Conrad visiting the Surveyor

Рентгеновское излучение от HCG 62 X rays From HCG 62

Scanning the skies for galaxies Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson Compact Groups (HCGs). With only a few member galaxies per group, HCGs...

Яркая Венера Bright Venus

Have you seen a bright evening star in the western sky lately? That's no star, that's planet Venus the second "rock" from the Sun. Blazing at -4.6 magnitude, Venus, after the Sun and Moon, is the third brightest celestial body in planet Earth's sky.

Комптон возвращается Compton Returns

On 2000 June 4, the 17-ton Compton Gamma-Ray Observatory returned to Earth after 9 years in orbit -- ending its remarkable voyage of discovery. The massive, bus-sized spacecraft carried an unprecedented array of gamma-ray detectors which explored the bizarre, high-energy universe of solar flares, black holes, pulsars, supernovae, active galaxies, and gamma-ray bursts.

M27: туманность Гантель M27: The Dumbbell Nebula

The first hint of what will become of our Sun was discovered inadvertently in 1764. At that time, Charles Messier was compiling a list of "annoying" diffuse objects not to be confused with "interesting" comets.

Выживший: NEAR-Shoemaker на астероиде Эрос Survivor: NEAR Shoemaker On Asteroid Eros

Not part of a television game series, the NEAR Shoemaker spacecraft survived its unprecedented landing on an on asteroid last month. As suggested in the illustration inset above, the car-sized probe likely rests gently on the tips of its solar panels having touched down under the influence of asteroid Eros' feeble gravity.

TT Лебедя: углеродная звезда TT Cygni: Carbon Star

TT Cygni is a cool red giant star with a wind. This false-color picture of TT Cyg was made using a coordinated array of millimeter wavelength radio telescopes and shows radio emission from carbon monoxide (CO) molecules in the surrounding gas.

"Аполлон-12" навещает "Сюрвейор-3" Apollo 12 Visits Surveyor 3

Apollo 12 was the second mission to land humans on the Moon. The landing site was picked to be near the location of Surveyor 3, a robot spacecraft that had landed on the Moon three years earlier.

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