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This graphic, using data from NASA's Cassini spacecraft, shows how the south polar terrain of Saturn's moon Enceladus emits much more power than scientists had originally predicted. Images credit: NASA/JPL/SWRI/SSI
Cassini finds Enceladus is a powerhouse
(Mar 8, 2011)

Heat output from the south polar region of Saturn's moon Enceladus is much greater than was previously thought possible, according to a new analysis of data collected by NASA's Cassini spacecraft. Measurements indicate that the internal heat-generated power is about 15.8 gigawatts, approximately 2.6 times the power output of all the hot springs in the Yellowstone region, or comparable to 20 coal-fueled power stations.

Read more. Source: NASA/JPL

NGC 1407
Largest galaxies grow up gradually like snowflakes
(Mar 7, 2011)

It has long been assumed that these most massive of galaxies form when two smaller spiral-shaped galaxies collide. But there is an alternative theory in which a cloud of gas collapses in on itself to form a dense core of stars which then grows larger by assimilating smaller galaxies over time. Now there is evidence that a massive elliptical galaxy called NGC 1407 formed in this way.

Read more. Source: New Scientist

elongated crater on Mars
Unusual elongated Martian crater tells tale of a train of impacts
(Mar 5, 2011)

Impact craters are usually round, but the European Space Agency's Mars Express orbiter recently sent back this image of a long, oval crater pocking the Red Planet's southern hemisphere. What happened here?

Read more. Source: Scientific American

Artwork of Glory satellite in orbit
NASA Glory mission ends in failure
(Mar 4, 2011)

NASA's attempt to launch its latest Earth observation mission has ended in failure. The Glory satellite lifted off from California on a quest to gather new data on factors that influence the climate. But about three minutes into the flight, telemetry indicated a problem. It appears the fairing – the part of the rocket which covers the satellite on top of the launcher – did not separate properly.

Read more. Source: BBC

Leonardo attached to the ISS
Space station gets new store room
(Mar 3, 2011)

The last of Europe's permanent modules has been attached to the International Space Station (ISS). Astronauts used the platform's robotic arm on Tuesday to lift the Leonardo cylinder out of the Discovery shuttle's payload bay and berth it to the underside of the 350km-high lab. Leonardo will be used as extra storage space on the ISS.

Read more. Source: BBC

meteorite GRA95229
Meteorites 'could have carried nitrogen to Earth'
(Mar 1, 2011)

A meteorite found in Antarctica could lend weight to the argument that life on Earth might have been kick-started from space, scientists are claiming. Chemical analysis of the meteorite shows it to be rich in the gas ammonia. It contains the element nitrogen, found in the proteins and DNA that form the basis of life as we know it.

Read more. Source: BBC

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