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Science Activation, Solar System, Earth
Nov 14, 2016

Outwash Flooding AREN Member Recognized as Top GLOBE Observer International Observe the Moon Night at Goddard SkyFest: International Observe the Moon Night...

Solar System
Jan 4, 2022

entrance and challenge us as a world at once strikingly Earth-like, and yet clearly alien upon closer investigation. Tantalizing evidence of an early water-rich era and the...

May 18, 1999

turbulence occurs in the world's weather patterns or even in a pot of water boiling on the stove. Convection creates difficulties when trying to create a uniform film. A UV...

Earth
Jun 25, 2001

0.002 mm across -- they can remain aloft for days as they ride global rivers of air. Larger sand grains don't get airborne as often or for as long, but they can be pushed...

Earth
Apr 6, 1999

would be pumped into the exhaust nozzle. This would help cool the hydrogen enough that it could burn, combining with the oxygen to form water vapor. Left and below right:...

Earth
Jun 18, 1999

than the undisturbed ground nearby. The tale of a family in North Carolina clearly illustrates how towers can concentrate lightning strikes. In 1998, a 42 meter (138 ft)...

Earth
Oct 1, 1998

turn at about 12 rpm to keep breast tissue constructs suspended inside the culture media. Syringes allow scientists to pull samples for analysis during growth sequences. The...

Earth, Solar System
Sep 3, 2002

Mars Lander to a human mission on Mars requires more power--about 30 kW to heat and cool a human habitat, run computers and lights, make oxygen, recycle water and recharge...

Earth
Apr 12, 1999

reactivity," he said. "And we haven't even stressed anything out yet."   IEC fusion would work best with a couple of unusual fusion cycles. One uses deuterium (...

Nov 7, 2012

water extent, and alterations in vegetation structure and function. Environmental change in this region is increasingly affecting society in a variety of ways, including...

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