Astronomy Picture of the Day
    

You entered: doughnuts
LkHa101: Дырка в пончике LkHa101: The Hole in the Doughnut
1.03.2001

You'd need a really big cup of coffee with this doughnut ... because the hole in the middle is about a billion kilometers across. Centered on the Sun, a circle that size would lie between the orbits of Mars and Jupiter.



Центр галактики Циркуль в рентгеновском диапазоне The Center of the Circinus Galaxy in X Rays
16.05.2001

Are black holes the cause of X-rays that pour out from the center of the Circinus galaxy? A new high-resolution image from the orbiting Chandra X-ray Observatory has resolved the inner regions of this nearby galaxy into several smaller sources. The image is shown above in representative-color.





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