"Spacequakes" Discovered in Earth's Upper Atmosphere The space weather phenomenon swirls auroras and can spawn magnetic "twisters" that can knock out power lines, a new study says.
Earth - Atmosphere o
Satellite burns up in Earth's atmosphere (MSNBC) 31/08/2010 23:48:46: A NASA satellite that spent seven years studying Earth's polar regions ended its successful mission Monday by plunging back to Earth on purpose to burn up in the atmosphere.
Fuel-free space tethers to manoeuvre spacecraft in orbit (The Indian) 04/09/2010 09:04:35: Washington, Sept 4 (ANI): A team at NASA is testing a chemical-free propulsion system that will use Earth's magnetic field to move satellites and spacecraft in orbit.
Space te
Geothermal: Getting Energy from the Earth (IPS News) 31/08/2010 11:50:00:
The heat in the upper six miles of the earth's crust contains 50,000 times as
much energy as found in all the world's oil and gas reserves combined. Despite
this abundan
