Telescope
hideA telescope is an instrument designed for the observation of remote objects by the collection of electromagnetic radiation. The first known practically functioning telescopes were invented in the Netherlands at the beginning of the 17th century. "Telescopes" can refer to a whole range of instruments operating in most regions of the electromagnetic spectrum.
The word "telescope" (from the Greek tele = 'far' and skopein = 'to look or see'; teleskopos = 'far-seeing') was coined in 1611 by the Greek mathematician Giovanni Demisiani for one of Galileo Galilei's instruments presented at a banquet at the Accademia dei Lincei. In the Starry Messenger Galileo had used the term "perspicillum".
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News tagged with telescope
NASA unveils latest results from lunar mission
Space & Earth / Space Exploration
19 hours ago |
4.5 / 5 (4) |
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NASA's current mission in orbit around the moon, the Lunar Reconnaissance Orbiter, or LRO, has been providing crucial insights about our nearest celestial neighbor since its launch in June. At a scientific ...
Hubble's Festive View of a Grand Star-Forming Region (w/ Video)
21 hours ago |
4.5 / 5 (4) |
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(PhysOrg.com) -- Just in time for the holidays: a Hubble Space Telescope picture postcard of hundreds of brilliant blue stars wreathed by warm, glowing clouds. The festive portrait is the most detailed view of the largest ...
First Direct Imaging of a Young Binary System
Dec 15, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- A team of astronomers from The Graduate University for Advanced Studies, the National Astronomical Observatory of Japan, and other universities have captured the first direct image of a young ...
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Close-up photos of dying star show our sun's fate (w/ Video)
Dec 15, 2009 |
4.9 / 5 (19) |
4
(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...
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