Milky Way and Badlands, picture stitched together digitally. Astronomy Picture of the Day Aug. 18, 2009

Milky Way and Badlands, picture stitched together digitally. Astronomy Picture of the Day Aug. 18, 2009

NGC 2207 and IC 2163, Colliding Galaxies in Canis Major  Mosaic Data from the Hubble Legacy Archive  Mosaic assembly and Processing by Robert Gendler

NGC 2207 and IC 2163, Colliding Galaxies in Canis Major Mosaic Data from the Hubble Legacy Archive Mosaic assembly and Processing by Robert Gendler

A new estimate released Monday suggested the Milky Way galaxy is home to at least 17 billion planets similar in size to our planet. At least one in six stars has an Earth-size planet orbiting it.

Milky Way has at least 17 billion Earth-size planets

A new estimate released Monday suggested the Milky Way galaxy is home to at least 17 billion planets similar in size to our planet. At least one in six stars has an Earth-size planet orbiting it.

Astronomers have used NASA's Swift satellite to produce two stunning ultraviolet images of our nearest neighboring galaxies.

Astronomers have used NASA's Swift satellite to produce two stunning ultraviolet images of our nearest neighboring galaxies.

35 Things my 5 Year Old Has Said -- Pt II - Now 8 Years Old

35 Things My 5-8 Year Old Has Said

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