Astronomy Picture of the Day
    

Astronomy Picture Of the Day (APOD)

Первый эксплорер The First Explorer
10.02.1996

The first US spacecraft was Explorer 1. The cylindrical 30 pound satellite was launched (above) as the fourth stage of a Jupiter-C rocket (a modified US Army Redstone ballistic missile) and achieved orbit on January 31, 1958.


Глаз туманности Песочные часы The Eye of an Hourglass Nebula
9.02.1996

What's happening in the eye-like center of this planetary nebula? The geometry revealed in this Hubble Space Telescope view of the central part of an "etched hourglass nebula" known as MyCn 18 presents a puzzle. First, the axis of this central region does not line up well with the outer hourglass structure.


Хиакутаке: самая яркая комета 1996 года? Hyakutake: The Great Comet of 1996?
8.02.1996

Get ready for one of the most impressive but least anticipated light shows in modern astronomical history. Next month, newly discovered Comet Hyakutake will pass closer to the Earth than any recent comet. Unknown...


Если бы мы оказались на Марсе If You Could Stand on Mars
7.02.1996

If you could stand on Mars - what would you see? Viking 1 robot landers answered this question in 1976 with pictures like the one shown above. The dark rocks, red soil, and green-tinged sky grace this rendition of a normal Martian afternoon. At the bottom corners of the picture are portions of Viking spacecraft.


Горячие пятна микроволнового излучения - самые старые структуры COBE Hotspots: The Oldest Structures Known
6.02.1996

Above are two microwave images of the sky, looking north and south of our galaxy's equator, based on data from NASA's COBE satellite. After computer processing to remove contributions from nearby objects and the effects of the earth's motion, they show "spots".


Микроволновой диполь COBE: полет сквозь Вселенную COBE Dipole: Speeding Through the Universe
5.02.1996

Our Earth is not at rest. The Earth moves around the Sun. The Sun orbits the center of the Milky Way Galaxy. The Milky Way Galaxy orbits in the Local Group. The Local Group falls toward the Virgo Cluster of Galaxies.


Карликовая в Стрельце - ближайшая галактика The Closest Galaxy: The Sagittarius Dwarf
4.02.1996

What's the closest galaxy to our Milky Way? For many years astronomers thought it was the Large Magellanic Cloud (LMC). But the seemingly insignificant fuzzy patch shown above turned out to be part of a galaxy that is even closer.


Огромный ударный кратер на Марсе A Huge Impact Crater on Mars
3.02.1996

What hit Mars? The impact crater Schiparelli near the center of the above image was likely caused by a collision with an object the size of an asteroid. Also evident in this full face mosaic of Mars are numerous craters from many other impacts with smaller objects over billions of years.


Наблюдение темной материи Галактики A MACHO View of Galactic Dark Matter
2.02.1996

What is our Galaxy made of? Stellar motions indicate there is much more mass than just stars and gas. Photographs like the two shown above may be yielding a clue about the dark matter, however.


Линзирование через окно Бааде Lensing through Baade's Window
1.02.1996

What is the shape and composition of our Milky Way Galaxy? This question would be easier to answer if there wasn't so much obscuring dust! In the 1940s, however, astronomer Walter Baade identified a "window" near the center of our Galaxy where there is comparatively little opaque dust.


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