More from Elaine Scott, Author of Space, Stars, and the Beginning of Time
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The Hubble captured this image of Jupiter and its moon, Ganymede, on April 9, 2007.
Credit: NASA/ESA and E. Karkoschka (University of Arizona) The Hubble Space Telescope travels in a curved orbit around Earth and will not hurtle off into space.
Credit: NASA/ESAThe Hubble Space Telescope captured this image of a protoplanetary disk surrounding a young star in the Orion Nebula. Most scientists believe these protoplanetary disks--the birthplace of planets--are common where you find clusters of young stars.
Credit: NASA, C. R. O'Dell and S. K. Wong (Rice University)