News tagged with orbital velocity
A wealth of habitable planets in the Milky Way
An international team has used the technique of gravitational microlensing to measure how common planets are in the Milky Way.
Jan 11, 2012 |
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Could dark matter not matter?
You probably want to put on your skeptical goggles and set them to maximum for this one. An Italian mathematician has come up with some complex formulae that can, with remarkable similarity, mimic the rotation ...
Dec 05, 2011 |
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Is M85 missing a black hole?
The conventional wisdom of galaxies is that they should have a central massive black hole (CMBH). The presence of such objects has been confirmed in our own galaxy as well as numerous other galaxies, including ...
Oct 17, 2011 |
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NASA's moon twins going their own way
NASA's Gravity Recovery And Interior Laboratory (GRAIL)-B spacecraft successfully executed its first flight path correction maneuver Wednesday, Oct. 5. The rocket burn helped refine the spacecraft's trajectory ...
Space & Earth / Space Exploration
Oct 07, 2011 |
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50 new exoplanets discovered by HARPS
Astronomers using ESO's world-leading exoplanet hunter HARPS have today announced a rich haul of more than 50 new exoplanets, including 16 super-Earths, one of which orbits at the edge of the habitable zone ...
Sep 12, 2011 |
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Space station faces steady threat from orbiting space junk
Now that the space shuttle is retired, NASA and space agencies around the world will focus on the International Space Station for the rest of this decade - and cross their fingers that it lasts that long.
Space & Earth / Space Exploration
Jul 25, 2011 |
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Rosetta probe lined up nicely for Earth approach
(PhysOrg.com) -- Following the first and primary trajectory correction manoeuvre 22 October, Rosetta is lined up nicely for the approach to Earth. The manoeuvre provided an 8.8 cm/s change in orbital velocity ...
Space & Earth / Space Exploration
Oct 28, 2009 |
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Transit Search Finds Super-Neptune
(PhysOrg.com) -- Astronomers at the Harvard-Smithsonian Center for Astrophysics have discovered a planet somewhat larger and more massive than Neptune orbiting a star 120 light-years from Earth. While Neptune ...
Jan 20, 2009 |
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