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 ...

Galileo's telescope allowed him to magnify the planets, just points of light to the unaided eye, into bright discs covered in colorful features. Where the Mk.

The telescope features an 8.4-meter primary mirror with a three-mirror design that provides an exceptionally wide 3.5-degree field of view, seven times the area of the full moon.

While Galileo didn't invent the telescope, he is the person most inextricably tied to its use and development. The field of optics had become so established, and the principles behind Lippershey's ...