Brown dwarfs aren't quite stars and aren't quite planets, and a new study suggests there might be more of them lurking in our galaxy than scientists previously thought.
Astronomy
Aug 31, 2021
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6551
(Phys.org) —Data from NASA's Wide-field Infrared Survey Explorer (WISE) have led to a new and improved family tree for asteroids in the main belt between Mars and Jupiter.
Astronomy
May 30, 2013
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1
Pictures of the sky can show us cosmic wonders; movies can bring them to life. Movies from NASA's NEOWISE space telescope are revealing motion and change across the sky.
Astronomy
Oct 19, 2022
0
125
Watching the skies for large asteroids that could pose a hazard to Earth is a global endeavor. So, to test their operational readiness, the international planetary defense community will sometimes use a real asteroid's close ...
Astronomy
May 31, 2022
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184
NASA's Parker Solar Probe was at the right place at the right time to capture a unique view of comet NEOWISE on July 5, 2020. Parker Solar Probe's position in space gave the spacecraft an unmatched view of the comet's twin ...
Astronomy
Jul 13, 2020
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353
Nearly all asteroids are so far away and so small that the astronomical community only knows them as moving points of light. The rare exceptions are asteroids that have been visited by spacecraft, a small number of large ...
Space Exploration
Jun 4, 2018
3
46
NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) mission has released its third year of survey data, with the spacecraft discovering 97 previously unknown celestial objects in the last year. Of those, ...
Space Exploration
Jun 5, 2017
2
380
NASA's Near-Earth Object Wide-field Survey Explorer (NEOWISE) mission has released its second year of survey data. The spacecraft has now characterized a total of 439 NEOs since the mission was re-started in December 2013. ...
Space Exploration
Apr 6, 2016
0
27
After its launch in 2009, NASA's NEOWISE spacecraft observed 163 comets during the WISE/NEOWISE prime mission. This sample from the space telescope represents the largest infrared survey of comets to date. Data from the survey ...
Space Exploration
Nov 24, 2015
2
30
Since it began operations in December 2009, NASA's NEOWISE mission has observed 158,000 asteroids and discovered more than 35,000.
Space Exploration
Nov 12, 2015
0
53
