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Hurricane Elena
The Coriolis Effect

The Earth, rotating at about 1000 miles per hour (1,609 km/hr), influences the flow of air and water on its surface. We call this the Coriolis Effect, named after French scientist Gaspard Coriolis, wh ...
Astronaut in free fall
Can You Miss the Earth?

Have you ever wondered why astronauts float in space? Well, it isn't because there is no gravity in space. Astronauts float because they are in constant free fall. If a baseball pitcher throws a ba ...
Among the biggest challenges for GP-B is keeping its Science Instrument Assembly constantly cooled to a temperature of 1.8 Kelvin, or minus 271.4 degrees Celsius (slightly above absolute zero), which will last 18 to 24 months.
GP-B: More Than Just a Pretty Face

Questions about the ways space, time, light and gravity relate to each other have been asked for eons. Theories have been offered, yet many puzzles remain to be solved. No spacecraft ever built has re ...

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