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NASA's Hubble Space Telescope has caught Jupiter's moon Ganymede playing a game of "peek-a-boo." In this crisp Hubble image, Ganymede is shown just before it ducks behind the giant planet. NASA unveils a gorgeous new gallery of celestial images

NASA unveils a gorgeous new gallery of celestial images

Could Jupiter Or Saturn Have Ejected A Fifth Giant Planet Out Of The Solar System 4 Billion Years Ago?

ison comet - Google'da Ara

ison comet - Google'da Ara

'Double Bubble' in Neighboring Galaxy

A unique peanut-shaped cocoon of dust, called a reflection nebula, surrounds a cluster of young, hot stars in this view from the NASA/ESA Hubble Space Telescope. The 'double bubble' called is inside a larger nebula named DEM L

Comet Shoemaker-Levy 9 was often referred to as the "string of pearls" comet. Famous for its unusual appearance as well as its collision with the planet Jupiter, the comet's original single nucleus was torn to pieces by Jupiter's gravity during a close encounter with the planet in 1992. The pieces are seen in this composite of Hubble Space Telescope images to be "pearls" strung out along the comet's orbital path. In July of 1994 these pieces collided with Jupiter in a unique series of…

Hubble Space Telescope Image of Comet Shoemaker-Levy 9 Credit: H. Weaver This Hubble Space Telescope image shows the "string of pearls" comet, Shoemaker-Levy in March, four months before its collision with Jupiter.

The Cat's Eye Nebula   Credit: J. P. Harrington (U. Maryland) & K. J. Borkowski (NCSU) HST, NASA

Brief Cosmology Summaries and Beautiful Pictures of Galaxies, Stars, Supernovas, Quasars and our Milky Way Galaxy from the Hubble Space Telescope.

Mars the Warrior

Mars: Closest Approach 2007 The NASA/ESA Hubble Space Telescope took this close-up of the red planet Mars when it was just 88 million kilometers away.