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Sun
Jan 28, 2020

-scale instabilities and turbulence account for deposition of energy and momentum transported throughout the atmosphere and other fluid systems by gravity waves. These...

Earth, Sky Watching, Citizen Science
Oct 26, 2022

upper atmosphere trigger sprite initiation? How do sprites affect Earth’s global electric circuit, and what is their contribution to the energy in Earth’s upper atmosphere...

Solar System
Mar 3, 1999

space Using Mars ore, Curreri says, early explorers could build receivers to generate electricity from radio waves beamed from a mother ship in Mars orbit. While...

Universe
Sep 29, 1998

to do this.) When the crust snaps, it vibrates with seismic waves like in an earthquake and emits a flash of soft gamma-rays. Just such a series of flashes was seen this...

Jun 10, 2005

. Shock waves in front of the CME can accelerate these protons in our direction--hence the proton storm. "CMEs can account for most proton storms," says Lin, but not the...

Earth, Sun
Nov 13, 2007

bend, distort, reflect and even absorb radio waves. Plumes amplify these effects. How important is Africa to the study of this phenomenon? "Consider the list of...

Sun
Jan 23, 2009

sensors that measure the speed, direction and composition of the solar wind; receivers that pick up radio emissions from explosions and shock waves in the sun's atmosphere;...

Earth
Jun 30, 2008

away. They looked like a forest of telephone poles." Such debranching requires fast moving shock waves that break off a tree's branches before the branches can transfer the...

Universe
Sep 17, 1997

moving with that cloud of material, their behavior and emissions will look quite normal. Because the matter is moving almost at the speed of light, observers on the outside (...

Jan 16, 1998

years, that under certain conditions - such as shock waves produced during an earthquake or the collapse of a grain silo - that what looks like a gigantic mass of solidly...

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