News tagged with upper atmosphere

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The Orionid meteor shower

Usually, waking up before sunrise is a good way to get a head start on the day. On Oct. 21st, waking up early could stop you in your tracks.

Oct 15, 2012
5 / 5 (2) 0 | with audio podcast

Electric-blue clouds appear over Antarctica

Data from NASA's AIM spacecraft show that noctilucent clouds are like a great "geophysical light bulb." They turn on every year in late spring, reaching almost full intensity over a period of no more than ...

Dec 24, 2013
4.4 / 5 (14) 0 | with audio podcast

NASA's Mars rover two weeks from landing

(Phys.org) -- NASA's most advanced planetary rover is on a precise course for an early August landing beside a Martian mountain to begin two years of unprecedented scientific detective work. However, getting ...

Jul 17, 2012
4.7 / 5 (7) 15 | with audio podcast

New buoys enable submerged subs to communicate

(PhysOrg.com) -- Communicating with a submerged submarine has always been difficult, and since the submarine has to come up to periscope depth it has also been risky. Now a new buoy developed by Lockheed Martin ...

Jul 13, 2010 report
4.1 / 5 (8) 1 | with audio podcast

Pentagon successfully tests hypersonic flying bomb

The Pentagon on Thursday held a successful test flight of a flying bomb that travels faster than the speed of sound and will give military planners the ability to strike targets anywhere in the world in less than a hour.

Nov 17, 2011
4.1 / 5 (21) 180