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NASA's Asteroid Initiative Benefits From Rich History
NASA's Asteroid Initiative Benefits From Rich History
NASA's FY2014 budget proposal includes a plan to robotically capture a small near-Earth asteroid and redirect it safely to a stable orbit in the Earth-moon system where astronauts can visit and explore it.Read More...
Collision Course? A Comet Heads for Mars
Collision Course? A Comet Heads for Mars
A comet is heading for Mars, and there is a chance that it might hit the Red Planet in October 2014. An impact wouldn't necessarily mean the end of NASA's Mars program. But it would transform the program along with Mars itself.Read More...
Sunset Comet
Sunset Comet
For a comet, visiting the sun is risky business. Fierce solar heat vaporizes gases long frozen in the fragile nucleus, breaking up some comets and completely destroying others.Read More...
Prime Time for PANSTARRS
Prime Time for PANSTARRS
This week is prime time for observing this comet. (Next opportunity, the year 108,013 +/- a few hundred or thousand years.)Read More...
What Exploded over Russia?
What Exploded over Russia?
"It was a meteor strike--the most powerful since the Tunguska event of 1908," says Bill Cooke of NASA's Meteoroid Environment Office.Read More...
One Close Fly-by: DA14 - What We Learn from NEOs
One Close Fly-by: DA14 - What We Learn from NEOs
On February 15, 2013, asteroid 2012 DA14, a 50-meter stony asteroid, will pass the Earth at a distance of about 27,680 kilometers (17,200 miles).Read More...
Possible Seismic Activity on Asteroid 2012 DA14
Possible Seismic Activity on Asteroid 2012 DA14
For eons, Earth has felt the tremors of asteroids striking our planet. From the extinction of the dinosaurs 65 million years ago to the felled forests around Tunguska in 1908, the space rocks keep coming. This week, Earth strikes back.Read More...
Asteroid DA14 Flyby Toolkit
Asteroid DA14 Flyby Toolkit
Everything you need to know about Friday's historic asteroid flyby.Read More...
50 Years of Robotic Planetary Exploration: Julie Castillo-Rogez, Planetary Geophysicist at the Jet Propulsion Laboratory (JPL)
50 Years of Robotic Planetary Exploration: Julie Castillo-Rogez, Planetary Geophysicist at the Jet Propulsion Laboratory (JPL)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
A Possible Naked-eye Comet in March
A Possible Naked-eye Comet in March
An Oort Cloud comet could be heading our way now.Read More...
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