Without This Artifact, The Hubble Telescope Would Not Exist

Apr 23, 2015 By Madeleine Brown
On April 24, the Hubble Space Telescope turns 25 years old. Launched in 1990 from Kennedy Space Center in Florida, aboard the Discovery space shuttle, Hubble will soon have spent 25 years providing us with some of the most important space-related discoveries. The school-bus-sized telescope circles the earth once every 97 minutes and flies at 340 miles above the earth.

Because of all of the information that it has provided, NASA has called the Hubble Space Telescope the most important advancement in the study of astronomy since Galileo's telescope. In honor of its anniversary, Brad and Keith of Objectivity, a YouTube channel dedicated to exploring cool concepts and devices, examine Sir Isaac Newton's telescope.
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