Wednesday, May 9, 2012

NASA Space Telescope Sees the Light from an Alien Super-Earth


May 8, 2012:  NASA's Spitzer Space Telescope has detected light emanating from a "super-Earth" beyond our solar system for the first time. While the planet is not habitable, the detection is a historic step toward the eventual search for signs of life on other planets.
"Spitzer has amazed us yet again," said Bill Danchi, Spitzer program scientist at NASA Headquarters in Washington. "The spacecraft is pioneering the study of atmospheres of distant planets and paving the way for NASA's upcoming James Webb Space Telescope to apply a similar technique on potentially habitable planets."
The planet, called 55 Cancri e, falls into a class of planets termed super Earths, which are more massive than our home world but lighter than giant planets like Neptune. The planet is about twice as big and eight times as massive as Earth. It orbits a bright star, called 55 Cancri, in a mere 18 hours.

More: http://science.nasa.gov/science-news/science-at-nasa/2012/08may_superearth/ 

Light from Alien Super-Earth Seen for 1st Time

Date: 08 May 2012 Time: 05:00 PM ET



This artist's concept shows the super-Earth planet  55 Cancri e. It's a toasty world 41 light-years from Earth that rushes around its star every 18 hours.
This artist's concept shows the super-Earth planet 55 Cancri e. It's a toasty world 41 light-years from Earth that rushes around its star every 18 hours.
CREDIT: NASA/JPL-Caltech

 

Light from an alien "super-Earth" twice the size of our own Earth has been detected by a NASA space telescope for the first time in what astronomers are calling a historic achievement.
NASA's infrared Spitzer Space Telescope spotted light from the alien planet 55 Cancri e, which orbits a star 41 light-years from Earth. A year on the extrasolar planet lasts just 18 hours.
The planet 55 Cancri e was first discovered in 2004 and is not a habitable world. Instead, it is known as a super-Earth because of its size: The world is about twice the width of Earth and is super-dense, with about eight times the mass of Earth.
But until now, scientists have never managed to detect the infrared light from the super-Earth world.

MORE: http://www.space.com/15597-alien-super-earth-light-detected-55-cancrie.html

gaw

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3 comments:

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