Astronomy Picture of the Day

Astronomy Picture Of the Day (APOD)

Туманность Конская Голова в Орионе Orions Horsehead Nebula

The Horsehead Nebula is one of the most famous nebulae on the sky. It is visible as the dark indentation to the red emission nebula seen above and to the right of center in the above photograph. The bright star on the left is located in the belt of the familiar constellation of Orion.

Затерянный мир острова Вида The Lost World of Lake Vida

A lake hidden beneath 19 meters of ice has been found near the bottom of the world that might contain an ecosystem completely separate from our own. In a modern version of Sir Arthur...

BHR 71:  звезды, облака и джеты BHR 71: Stars, Clouds, and Jets

What is happening to molecular cloud BHR 71? Quite possible, a binary star system is forming inside. Most stars in our Galaxy are part of binary star systems, but few have ever been seen in formation.

Лес из линий Лайман-альфа The Lyman Alpha Forest

We live in a forest. Strewn throughout the universe are "trees" of hydrogen gas that absorb light from distant objects. These gas clouds leave numerous absorption lines in a distant quasar's spectra, together called the Lyman-alpha forest.

Последнее появление скопления Паломар 13 Palomar 13 s Last Stand

Globular star cluster Palomar 13 has roamed the halo of our Milky Way Galaxy for the last 12 billion years. The apparently sparse cluster of stars just left of center in this composite color digital image, it is one of the smallest, faintest globular clusters known.

Секстет Сейферта Seyfert's Sextet

Known as Seyfert's Sextet, this intriguing group of galaxies lies in the head portion of the split constellation Serpens. The sextet actually contains only four interacting galaxies, though. Near the center of this...

Солнечная колонна в день запуска шаттла Launch of the Sun Pillar

On January 16, NASA's space shuttle Columbia roared into blue morning skies above Kennedy Space Center on STS-107, the first shuttle mission of 2003. But this is not a picture of that launch!

M11: звездное скопление "Дикая утка" M11: The Wild Duck Cluster

Many stars like our Sun were formed in open clusters. The above pictured open cluster, M11, contains thousands of stars and is just over five thousand light years distant. The stars in this cluster all formed together about 250 million years ago. The bright young stars in M11 appear blue.

Отражательные пылевые туманности в Орионе The Reflecting Dust Clouds of Orion

In the vast Orion Molecular Cloud complex, several bright blue nebula are particularly apparent. Pictured above are two of the most prominent reflection nebulas -- dust clouds lit by the reflecting light of bright-embedded stars. The more famous nebula is M78, on the upper right, cataloged over 200 years ago.

Ио на заходе Солнца Io at Sunset

How tall are mountains on Jupiter's moon Io? One way to find out is to view them at sunset. Tall structures facing the Sun are then better-lit and cast long shadows. The above...

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