News tagged with james webb

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Sifting through the atmospheres of far-off worlds

(Phys.org) —Gone are the days of being able to count the number of known planets on your fingers. Today, there are more than 800 confirmed exoplanets—planets that orbit stars beyond our sun—and more ...

dateMay 09, 2013 in Astronomy
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Thermal shield testing on Webb's MIRI

(Phys.org) —NASA engineer Acey Herrera recently checked out copper test wires inside the thermal shield of the Mid-Infrared Instrument, known as MIRI, that will fly aboard NASA's James Webb Space Telescope. ...

dateMay 09, 2013 in Space Exploration
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James Webb Telescope gets its wings

(Phys.org) —A massive backplane that will hold the primary mirror of NASA's James Webb Space Telescope nearly motionless while it peers into space is another step closer to completion with the recent assembly ...

dateMar 15, 2013 in Space Exploration
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So many planets, so few telescopes

Over the last few weeks, astronomers announced not one but two extraordinary discoveries in the ongoing search for planets orbiting stars beyond the sun. The first was a world about the size of Neptune, 5,000 light-years ...

dateNov 08, 2012 in Astronomy
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Taking COCOA cryo

(Phys.org)—Testing of the James Webb Space Telescope's Center of Curvature Optical Assembly, or COCOA, recently was completed in the X-ray and Cryogenic Test Facility at NASA's Marshall Space Flight Center ...

dateSep 28, 2012 in Space Exploration
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