The Kepler Space Telescope, named for astronomer Johannes Kepler, was NASA's first exoplanet hunting telescope. It launched on March 6, 2009, with the goal of observing more than 100,000 stars in ...

The telescope makers from Galileo to the space age Smithsonian Libraries and Archives. Object Details Author Land, Barbara Contents Hans Lippershey's ingenious spyglass -- Galileo's new window on the ...