News tagged with upper atmosphere

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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

Moon's shadow, like a ship, creates waves

During a solar eclipse, the Moon's passage overhead blocks out the majority of the Sun's light and casts a wide swath of the Earth into darkness. The land under the Moon's shadow receives less incoming energy ...

Oct 05, 2011
4.6 / 5 (5) 3 | with audio podcast

The importance of being magnetized

Despite its magnetic field, Earth is losing its atmosphere to space at about the same rate as planets that lack this protective barrier against the solar wind. Scientists now are beginning to question whether ...

Mar 21, 2011
4.8 / 5 (12) 12 | with audio podcast