News tagged with ballistic trajectory
Magnetic Tornadoes Could Liberate Mercury's Tenuous Atmosphere
Space & Earth / Space Exploration
Jun 02, 2009 |
4.2 / 5 (6) |
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(PhysOrg.com) -- As the closest planet to the sun, Mercury is scorching hot, with daytime temperatures of more than 800 degrees Fahrenheit (approximately 450 degrees Celsius). It is also the smallest rocky ...
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Superconductor magnet spacecraft heat shield being developed
Nov 26, 2009 |
4.8 / 5 (44) |
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(PhysOrg.com) -- European space agencies and an aerospace giant are developing a new re-entry heat shield that will use superconductor magnets to generate a magnetic field strong enough to deflect the superhot ...
Improving speed measurements for cars, bullets
May 21, 2009 |
4.3 / 5 (3) |
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While today's law enforcement officers don't wear utility belts full of crimefighting gadgets like Batman, they do rely on a variety of state-of-the-art technologies to do their jobs efficiently and safely. ...
New Speed Record for Magnetic Memories
Aug 18, 2008 |
4.6 / 5 (22) |
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(PhysOrg.com) -- An experiment carried out at the Physikalisch-Technische Bundesanstalt (PTB) has realized spin torque switching of a nanomagnet as fast as the fundamental speed limit allows. Using this so-called ballistic ...
Physicists put a new spin on electrons
Apr 15, 2009 |
4.7 / 5 (15) |
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In the first demonstration of its kind, researchers at the University of British Columbia have controlled the spin of electrons using a ballistic technique--bouncing electrons through a microscopic channel of precisely constructed, ...
US sends 2 missile defense satellites into orbit
Space & Earth / Space Exploration
Sep 25, 2009 |
3.8 / 5 (6) |
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(AP) -- Two satellites are heading to orbit as part of a missile defense program demonstration.
Perfect sight: Rosetta cameras track asteroid target
Space & Earth / Space Exploration
Aug 18, 2008 |
4.6 / 5 (8) |
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(PhysOrg.com) -- On 14 August, Rosetta conducted a successful trajectory correction manoeuvre using data obtained from the Agency's first-ever optical tracking of an asteroid target, (2867) Steins. Images ...
Rosetta approach on schedule
Space & Earth / Space Exploration
Nov 06, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- After the trajectory correction manoeuvre on 22 October, Rosetta has lined up on a near-perfect Earth approach path. The manoeuvre was so precise that mission controllers decided not to use ...
Chandrayaan-1 now in lunar transfer trajectory
Space & Earth / Space Exploration
Nov 05, 2008 |
4.2 / 5 (6) |
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Yesterday, following a fifth orbit-raising manoeuvre, the Chandrayaan-1 spacecraft successfully settled into a trajectory that will take it to the Moon.
Last visit home for ESA's comet chaser Rosetta
Space & Earth / Space Exploration
Oct 20, 2009 |
5 / 5 (6) |
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ESA's Rosetta comet chaser will swing by Earth on 13 November to pick up orbital energy and begin the final leg of its 10-year journey to the outer Solar System. Several observations of the Earth-Moon system ...
Study examines how and why some children become chronically abused by peers
Oct 06, 2008 |
4 / 5 (4) |
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As soon as children are old enough to interact socially, some become entrenched in chronic and increasing patterns of victimization by their peers, according to a report in the October issue of Archives of General Psychiatry, one of ...
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