Data from a now-defunct X-ray satellite is providing new insights into the complex tug-of-war between galaxies, the hot plasma that surrounds them, and the giant black holes that lurk in their centres.
Astronomy
Jul 6, 2016
9
523
A shot of icy chemical cocktail - that's the promising solution to controlling hot plasmas in fusion devices, researchers say.
Plasma Physics
Nov 11, 2015
0
39
When it's up and running, the ITER fusion reactor will be very big and very hot, with more than 800 cubic meters of hydrogen plasma reaching 170 million degrees centigrade. The systems that fuel and control it, on the other ...
Plasma Physics
Sep 9, 2015
38
75
Creating controlled fusion energy entails many challenges, but one of the most basic is heating plasma – hot gas composed of electrons and charged atoms – to extremely high temperatures and then maintaining those temperatures. ...
Plasma Physics
Aug 3, 2015
0
16
Near the end of the movie Apollo 13, which depicts the harrowing journey of the three astronauts aboard the aborted 1970 lunar mission, the tension mounts in textbook fashion. As the spacecraft hurdles into Earth's atmosphere ...
Plasma Physics
Jun 16, 2015
3
1478
Auroras are the most visible manifestation of the sun's effect on Earth, but many aspects of these spectacular displays are still poorly understood. Thanks to the joint European Space Agency and NASA's Cluster mission combined ...
Space Exploration
Dec 18, 2014
0
0
Recent experiments provide the first assessment of the toughness of a novel lithium coating in the face of intense bombardment by very hot plasma in the divertor region of fusion devices. The results show that this coating ...
Plasma Physics
Nov 13, 2013
0
0
A duo of astronomers, Dr. Youichi Ohyama (Institute of Astronomy and Astrophysics, Academia Sinica or ASIAA, Taiwan) and Dr. Ananda Hota (UM-DAE Centre for Excellence in the Basic Sciences or CBS, India), has discovered a ...
Astronomy
Apr 11, 2013
5
0
A fusion reactor operates best when the hot plasma inside it consists only of fusion fuel (hydrogen's heavy isotopes, deuterium and tritium), much as a car runs best with a clean engine. But fusion fuel reactions at the heart ...
Plasma Physics
Nov 10, 2011
23
0
Earth's aurorae, or Northern and Southern Lights, provide a dazzling light show to people living in the polar regions. Shimmering curtains of green and red undulate across the sky like a living thing. New research shows that ...
Astronomy
Jul 21, 2011
3
0
