Showing posts with label infrared. Show all posts
Showing posts with label infrared. Show all posts

Wednesday, May 16, 2012

A New Count of Potentially Hazardous Asteroids

Source - NASA Science News for May 16, 2012

NASA has just released a new count of asteroids that come close to the orbit of Earth and could survive entry through our planet's atmosphere. The data, gathered by an infrared space telescope named WISE, reveal important new information about the origin and make-up of these potentially hazardous space rocks.

FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2012/16may_pha/

Tuesday, August 23, 2011

Discovered: Stars as Cool as the Human Body

Source - NASA Science News for August 24, 2011

Stars as cool as the human body? Believe it. A NASA spacecraft has discovered a half-dozen "Y dwarfs" with atmospheric temperatures as low as 80 F.

FULL STORY at: http://science.nasa.gov/science-news/science-at-nasa/2011/23aug_coldeststars/

Below is an image and text from the article:

Room Temperature Stars (coldest, 558px) Copyright NASA
(Image copyright NASA)

"WISE 1828+2650, the coldest brown dwarf known so far, is denoted by a green dot in very center of this infrared image. The chilly star-like body isn't even as warm as a human body, at less than about 80 degrees Fahrenheit. [more]"

For more information about WISE, visit: http://www.nasa.gov/wise

Friday, March 26, 2010

An Avalanche of Dark Asteroids

Source - NASA Science News for March 26, 2010

Every day, a NASA infrared space telescope named "WISE" is discovering hundreds of previously unknown asteroids. The observatory is making a remarkable contribution to the census of dark space rocks that could potentially threaten Earth.

FULL STORY at

http://science.nasa.gov/headlines/y2010/26mar_darkasteroids.htm?list894285