Hubble Space Telescope: Difference between revisions
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[[File:Hubble 01.jpg|thumb|right|300px|Hubble Space Telescope]]
[[File:Eagle nebula pillars.jpg|thumb|right|300px|One of the most famous images taken by the Hubble telescope: the "Pillars of Creation" in the [[Eagle nebula]]] '''Hubble Space Telescope''' (HST) is the first big optical [[space observatory]] telescope. Being above the [[atmosphere]] means it can see the [[sky]] more clearly than a telescope on the The atmosphere blurs starlight before it reaches [[Earth]]. Named after the astronomer [[Edwin Hubble]], the Hubble Space Telescope can observe 24 hours a day. The main mirror is 94.5 inches (2.4 meters) across. The telescope can take pictures of things so far away it would be nearly impossible to see them from anywhere else.
It was made by both [[NASA]] and the [[ESA]] working together. It is 600 km in [[Outer space|space]] and was launched on April 24, 1990. Like other things in [[low Earth orbit]] it travels at 5 miles (10 km) per second. If you were going this speed on Earth, you would be able to get from [[New York]] to [[San Francisco]] in 10 minutes. This speed creates difficulty in scheduling observations.<ref>{{Cite web|url=http://hubblesite.org/the_telescope/team_hubble/|title=HubbleSite - The Telescope - Team Hubble|website=hubblesite.org|access-date=2018-11-01}}</ref>
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