This image provided by NASA Tuesday Feb. 10, 2009 shows the spiral galaxy Messier 101 and is a composite of views from the Spitzer Space Telescope, Hubble Space Telescope, and Chandra X-ray Observatory. The red color shows Spitzer's view in infrared light. It highlights the heat emitted by dust lanes in the galaxy where stars can form. The yellow color is Hubble's view in visible light. Most of this light comes from stars, and they trace the same spiral structure as the dust lanes. The blue color shows Chandra's view in X-ray light. Such composite images allow astronomers to see how features seen in one wavelength match up with those seen in another wavelength.

                    

Sat Feb 7, 3:45 AM ET

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This image provided by the Hubble Space Telescope shows the striking details of the famed planetary nebula designated NGC 2818, which lies in the southern constellation of Pyxis (the Compass). The spectacular structure of the planetary nebula contains the outer layers of a star that were expelled into interstellar space. The glowing gaseous shrouds in the nebula were shed by the central star after it ran out of fuel to sustain the nuclear reactions in its core. NGC 2818 is often heralded as one of the Galaxy

(AP Photo/NASA)

                                                                   

Thu Feb 5, 8:39 AM ET

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In this image provided by NASA shows the very deep image taken with the NASA/ESA Hubble Space Telescope and released Thursday Feb. 5, 2009 shows the spiral galaxy NGC-4921 along with a spectacular backdrop of more distant galaxies. It was created from a total of 80 separate pictures through yellow and near-infrared filters.

(AP Photo/NASA/JPL)












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