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Sun Hurls Another Solar Storm Towards the Earth.
April 2, 2001
water Might Not be Responsible for Gullies on Mars
Sun Hurls Another Solar Storm Towards the Earth
Space Station Crew Welcomes Tito
WATER MIGHT NOT BE RESPONSIBLE FOR GULLIES ON MARS
One of the biggest stories of 2000 was the discovery of past water on Mars. But a group of scientists from the University of Arizona have an alternative theory about what could have caused the gullies found by the Mars Global Surveyor - liquid carbon dioxide. Because the gullies were only found in the coldest areas of the planet, the scientists believe that low temperature causes carbon dioxide to liquify inside the ground. As the temperature rises in the Martian spring, the CO2 turns back into a gas and violently churns downhill, emulating a liquid.
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SUN HURLS ANOTHER SOLAR STORM TOWARDS THE EARTH
Although it's now starting to shrink, the largest Sunspot group in over a decade is still firing giant coronal mass ejections (CMEs) towards the Earth. The last storm came by Friday and Saturday, and gave skywatchers a spectacular aurora show as south as New Mexico. If you missed the first show, you'll get another chance on Tuesday, when the next storm hits.
SPACE STATION CREW WELCOMES TITO
Although NASA isn't so crazy about the idea, Expedition 2 will put out the welcome mat if Dennis Tito makes it to space station Alpha - "We will welcome anyone who brings a new Soyuz spacecraft," they said. Tito has paid the Russian Space Agency a reported $20 million US for the chance to join a team of cosmonauts who will link up with the station at the end of April, but NASA is refusing training on US-built components of the station. Officials from NASA and Russia are currently negotiating to see if there's any way Tito can still get the training he needs.
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