News tagged with space debris

Finding ET may require giant robotic leap

(Phys.org) -- Autonomous, self-replicating robots -- exobots -- are the way to explore the universe, find and identify extraterrestrial life and perhaps clean up space debris in the process, according to a Penn State engineer, ...

dateApr 18, 2012 in Space Exploration
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Space junk problem? Just fire a laser!

Imagine yourself as an astronaut performing scientific experiments and crowd-stunning aerobatics. Suddenly, ear-stinging, blaring alarms go off. Mission Control radios that all space station personnel should ...

dateNov 04, 2011 in Space Exploration
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Do missing Jupiters mean massive comet belts?

(Phys.org)—Using ESA's Herschel space observatory, astronomers have discovered vast comet belts surrounding two nearby planetary systems known to host only Earth-to-Neptune-mass worlds. The comet reservoirs ...

dateNov 27, 2012 in Astronomy
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Solar systems around dead Suns?

(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting ...

dateApr 20, 2009 in Astronomy
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