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- The Space Channel
Kepler: The Search for Earth-Size Planets Begins
mar. 2 août 2011 22:01 HAEC
10:36 | 540 vues
Since its launch in March, 2009, the Kepler Mission has announced the discovery of 9 confirmed exoplanets (or planets outside our solar system). This video explores how the team works to combine photometry from the spacecraft, data from ground-based observatories and precise asteroseismic analysis to determine if Earths are common or rare in our Galaxy.
When Neutron Stars Collide
mar. 2 août 2011 21:52 HAEC
3:27 | 551 vues
State-of-the-art supercomputer models show that merging neutron stars can power a short gamma-ray burst.
The Great Crab Nebula Superflare
mar. 2 août 2011 21:43 HAEC
2:37 | 499 vues
There are strange goings-on in the Crab Nebula. On April 12, 2011, NASA's Fermi Gamma-ray Space Telescope detected the most powerful in a series of gamma-ray flares occurring somewhere within the supernova remnant.
The Hubble Legacy: Galaxy Evolution
mar. 2 août 2011 19:52 HAEC
3:39 | 118 vues
Three astronomers explain how Hubble acts like a time machine by detecting which galaxies are moving toward and away from us.
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