Telescope

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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".

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News tagged with telescope

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Hunting for Planets in the Dark

Hunting for Planets in the Dark

Space & Earth / Astronomy

created Nov 19, 2009 | popularity 4.7 / 5 (3) | comments 3

A proposed space mission that aims to measure dark energy could also detect planets that current surveys are unable to find.


NASA Provides Venerable Hubble Hardware to Smithsonian

NASA Provides Venerable Hubble Hardware to Smithsonian

Space & Earth / Space Exploration

created Nov 19, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Two key instruments from NASA's Hubble Space Telescope have a new home in the Smithsonian's National Air and Space Museum in Washington after being returned to Earth aboard space shuttle Atlantis ...


Baffling boxy bulge

NGC 4710 galaxy: Baffling boxy bulge (w/ Video)

Space & Earth / Astronomy

created Nov 18, 2009 | popularity 4.4 / 5 (13) | comments 0

(PhysOrg.com) -- Just as many people are surprised to find themselves packing on unexplained weight around the middle, astronomers find the evolution of bulges in the centres of spiral galaxies puzzling. A ...


China Joins Thirty Meter Telescope Project

China Joins Thirty Meter Telescope Project

Space & Earth / Astronomy

created Nov 17, 2009 | popularity 4.8 / 5 (6) | comments 0

(PhysOrg.com) -- The National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) has joined the Thirty Meter Telescope Project (TMT). As an Observer, China will participate in planning the ...


NASA's Wise Gets Ready to Survey the Whole Sky

NASA's Wise Gets Ready to Survey the Whole Sky (w/ Video)

Space & Earth / Astronomy

created Nov 17, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- NASA's Wide-field Infrared Survey Explorer, or Wise, is chilled out, sporting a sunshade and getting ready to roll. NASA's newest spacecraft is scheduled to roll to the pad on Friday, Nov. ...


A bubbling ball of gas

A bubbling ball of gas (w/ Video)

Space & Earth / Space Exploration

created Nov 11, 2009 | popularity 4.9 / 5 (18) | comments 7

The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing ...


Rapid star formation spotted in 'stellar nurseries' of infant galaxies

Rapid star formation spotted in 'stellar nurseries' of infant galaxies

Space & Earth / Astronomy

created Nov 11, 2009 | popularity 4 / 5 (5) | comments 1

The Universe's infant galaxies enjoyed rapid growth spurts forming stars like our sun at a rate of up to 50 stars a year, according to scientists at Durham University.


NASA's Great Observatories Celebrate International Year of Astronomy

NASA's Great Observatories Celebrate International Year of Astronomy

Space & Earth / Astronomy

created Nov 10, 2009 | popularity 4.3 / 5 (6) | comments 3

(PhysOrg.com) -- A never-before-seen view of the turbulent heart of our Milky Way galaxy is being unveiled by NASA on Nov. 10. This event will commemorate the 400 years since Galileo first turned his telescope ...


'Dropouts' pinpoint earliest galaxies

'Dropouts' pinpoint earliest galaxies

Space & Earth / Astronomy

created Nov 06, 2009 | popularity 4.3 / 5 (11) | comments 15

Astronomers, conducting the broadest survey to date of galaxies from about 800 million years after the Big Bang, have found 22 early galaxies and confirmed the age of one by its characteristic hydrogen signature ...


Hubble Image Showcases Star Birth in M83, the Southern Pinwheel

Hubble Image Showcases Star Birth in M83, the Southern Pinwheel

Space & Earth / Astronomy

created Nov 05, 2009 | popularity 4.6 / 5 (10) | comments 1

(PhysOrg.com) -- The spectacular new camera installed on NASA's Hubble Space Telescope during Servicing Mission 4 in May has delivered the most detailed view of star birth in the graceful, curving arms of ...


Unsettled Youth: Spitzer Observes a Chaotic Planetary System

Unsettled Youth: Spitzer Observes a Chaotic Planetary System

Space & Earth / Astronomy

created Nov 04, 2009 | popularity 4.1 / 5 (7) | comments 0

(PhysOrg.com) -- Before our planets found their way to the stable orbits they circle in today, they wiggled and jostled about like unsettled children. Now, NASA's Spitzer Space Telescope has found a young ...


University of Utah celebrates telescope's 'first light'

University of Utah celebrates telescope's 'first light'

Space & Earth / Astronomy

created Nov 04, 2009 | popularity 4 / 5 (2) | comments 0

(PhysOrg.com) -- The University of Utah will celebrate the initial observations or "first light" of its new $860,000 research telescope in southwest Utah during a Wednesday, Nov. 11 symposium and reception ...


Shedding light on the cosmic skeleton

Shedding Light on the Cosmic Skeleton

Space & Earth / Astronomy

created Nov 03, 2009 | popularity 4.8 / 5 (22) | comments 7

(PhysOrg.com) -- Astronomers have tracked down a gigantic, previously unknown assembly of galaxies located almost seven billion light-years away from us. The discovery, made possible by combining two of the ...


Starburst galaxy sheds light on longstanding cosmic mystery

Starburst galaxy sheds light on longstanding cosmic mystery

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- An international collaboration that includes scientists from the University of Delaware's Bartol Research Institute in the Department of Physics and Astronomy has discovered very-high-energy ...


High-precision measurements confirm cosmologists' standard view of the universe

Precise picture of early Universe supports 'dark matter' theory

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4.8 / 5 (17) | comments 9

A detailed picture of the seeds of structures in the universe has been unveiled by an international team co-led by a Cardiff University scientist.