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03.15.04

Orbit of Sedna

This animation shows the location of the newly discovered planet-like object, dubbed "Sedna," in relation to the rest of the Solar System. Starting at the inner Solar System, which includes the orbits of Mercury, Venus, Earth, and Mars (all in yellow), the view pulls away through the asteroid belt and the orbits of the outer planets beyond (green). Pluto and the distant Kuiper Belt objects are seen next until finally Sedna comes into view. As the field widens the full orbit of Sedna can be seen along with its current location. Sedna is nearing its closest approach to the Sun; its 10,000-year orbit typically takes it to far greater distances. Moving past Sedna, what was previously thought to be the inner edge of the Oort cloud appears. The Oort cloud is a spherical distribution of cold, icy bodies lying at the limits of the Sun's gravitational pull. Sedna's presence suggests that this Oort cloud is much closer than scientists believed.

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04.18.07

Infrared Rose

This movie begins by showing an optical image of the Rosette nebula, a turbulent star-forming region located 5,000 li...

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03.29.07

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02.21.07

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12.18.06

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11.07.06

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11.07.06

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10.30.06

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10.26.06

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10.12.06

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10.12.06

Fire and Ice Planet

This artist's animation shows a blistering world revolving around its nearby "sun." NASA's infrared Spitzer Space Tel...

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08.14.06

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This movie begins with a visible view of the famous Orion constellation. Superimposed on the area near Orion's sword ...

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07.24.06

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06.05.06

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04.05.06

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This artist's animation depicts the explosive death of a massive star, followed by the creation of a disk made up of ...

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03.16.06

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This movie compares a visible-light view of the "Cigar galaxy" to an infrared view from NASA's Spitzer Space Telescop...

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06.09.05

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06.02.05

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05.30.05

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05.30.05

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05.04.05

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