AmericaSpace Launch Countdown

Next Launch SMAP on a Delta II 7320 rocket from Vandenberg AFB, CA
scheduled for:
29 Jan 15 14:20:42 GMT
29 Jan 15 6:20:42 PST
29 Jan 15 9:20:42 Eastern

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NASA to Chronicle Earth Flyby of Asteroid 2012 DA14

Diagram showing today’s passage of 2012 DA14 through the Earth-Moon system. The celestial visitor will make a closest approach of around 17,150 miles, bringing it within the sphere of the orbits of geosynchronous satellites. Image Credit: NASA

Move over, Bruce Willis. Your asteroid-pulverizing, Home Planet–saving career might not be ready for a resurgence just […]

The Menace of the Asteroids. Part 1: The Risks

Artist’s impression of an asteroid approaching the Earth. Image Credit: Jeff Darling

Of the several hundred thousand asteroids known, about 9,000 are of the near-Earth variety, and of these more than 1,300 fall into the category known as potentially hazardous asteroids (PHAs). To qualify as a PHA, an asteroid must be able to come […]

NEOs: Too Close For Comfort?

Artist’s impression of an asteroid approaching the Earth. Image Credit: Jeff Darling

Be afraid – but not too afraid. It’s true that at some point, if we don’t take steps to prevent it, a big dumb object is going to smash into the Earth so hard that civilization as we know it will be […]