News tagged with telescope
The mysterious arc of Venus
When Venus transits the sun on June 5th and 6th, an armada of spacecraft and ground-based telescopes will be on the lookout for something elusive and, until recently, unexpected: The Arc of Venus.
Space & Earth / Space Exploration
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Discovery of the most distant galaxy in the cosmic dawn
A team of astronomers led by Takatoshi Shibuya, Dr. Nobunari Kashikawa, Dr. Kazuaki Ota, and Dr. Masanori Iye (National Astronomical Observatory of Japan) has used the Subaru and Keck Telescopes to discover ...
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Hobby-Eberly Telescope measures two stars with one orbiting planet
(Phys.org) -- A team of Penn State University astronomers has obtained very precise measurements of a pair of stars that are orbited by a planet -- like the stellar system of the fictional planet Tatooine ...
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Hubble shows Milky Way is destined for head-on collision with Andromeda galaxy
(Phys.org) -- NASA astronomers announced Thursday they can now predict with certainty the next major cosmic event to affect our galaxy, sun, and solar system: the titanic collision of our Milky Way galaxy ...
May 31, 2012 |
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Ghostly gamma-ray beams blast from Milky Way's center
(Phys.org) -- As galaxies go, our Milky Way is pretty quiet. Active galaxies have cores that glow brightly, powered by supermassive black holes swallowing material, and often spit twin jets in opposite directions. ...
May 29, 2012 |
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Solar Dynamics Observatory to observe Venus transit
On June 5, 2012 at 6:03 PM EDT, the planet Venus will do something it has done only seven times since the invention of the telescope: cross in front of the sun. This transit is among the rarest of planetary ...
Space & Earth / Space Exploration
Jun 01, 2012 |
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NASA preparing to launch NuSTAR, its newest X-ray eyes
(Phys.org) -- NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, is being prepared for the final journey to its launch pad on Kwajalein Atoll in the central Pacific Ocean. The mission will study everything ...
Space & Earth / Space Exploration
May 30, 2012 |
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Hubble sees a spiral within a spiral
(Phys.org) -- NASA's Hubble Space Telescope captured this image of the spiral galaxy known as ESO 498-G5. One interesting feature of this galaxy is that its spiral arms wind all the way into the center, so ...
May 28, 2012 |
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The anatomy of a stellar outflow
(Phys.org) -- Astronomers used to think that star formation simply involved the gradual coalescence of material under the influence of gravity. No longer. Making a new star is a complex process, among other ...
May 28, 2012 |
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Astronomers probe 'evaporating' planet around nearby star with Hobby-Eberly telescope
(Phys.org) -- Astronomers from The University of Texas at Austin and Wesleyan University have used the Hobby-Eberly Telescope at UT Austin’s McDonald Observatory to confirm that a Jupiter-size planet ...
May 31, 2012 |
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Venus transit may boost hunt for other worlds
Astronomers around the world will be using advanced telescopes to watch Venus cross in front of the Sun on June 5 and 6 in the hopes of finding clues in the hunt for other planets where life may exist.
May 31, 2012 |
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Telescope
A 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".
For more information about Telescope, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
