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Universe
Jan 21, 1998

off everything from radio waves to visible light to X-rays. Accretion-powered pulsars rotate too slowly for this to happen. Material falling onto the the tiny collapsed...

Solar System
Mar 7, 2002

spacecraft -- Cassini and Galileo -- were near the giant planet. Galileo was deep inside Jupiter's magnetic field, while Cassini was outside sampling the solar wind. Neither...

Earth, Sun, Solar System
Aug 25, 2003

difference. On the other hand, a warm sea breeze, the crashing of waves on the beach, the ambiance of the South Pacific ... these factors may have some effect on Mars...

Universe
Mar 5, 1999

waves then shake the star's surface, generating AlfvĂŠn waves - the electromagnetic equivalent of a Slinky toy - which energize clouds of particles above the surface of the...

Nov 3, 2006

Preparatory School, The Effect of Earplugs on Sound Waves Generated by a M1 Firecracker 4. Shannon Day, Glencoe Middle School, Crystals Under Stress: A Possible Source of...

Universe
Nov 3, 2006

space to such great speeds by the shock waves of exploding stars, called supernovae. Earlier observations have shown supernovae to produce cosmic ray electrons. Today's...

Universe, Solar System
May 20, 1998

sometimes cracks it." Violent seismic waves then shake the star's surface, generating Alfven waves - the electromagnetic equivalent of a Slinky toy - which energize clouds of...

Universe, Earth
Jun 6, 2001

6th to 12th grade classroom? These lessons might help: X-ray Flash Cards: What are x-rays? Like visible light and radio waves, hard x-rays are just another part of the...

Universe
Feb 22, 1999

emission." The differing sensitivity of x-rays and radio waves to gas density means that scientists can measure the size and mass of a cluster by combining x-ray and radio...

Universe
Jul 22, 1999

: Ode to a Grecian Conference July 14: Countdown to Discovery July 9: Why Wait for the 4th of July? July 8: Surfing...

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