Mountain-sized rock passes Earth
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The giant Toutatis asteroid passes by the Earth on Wednesday at distance of less than 1.6 million km. This is roughly four times the distance from the Earth to the Moon and closer than this 4.6km-wide rock has come to us since at least the 12th century.
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This summer, a science team set out on a two-week expedition of Earth's own little version of Jupiter's moon Europa -- the Borup Fiord Pass at Ellesmere Island, a place hidden high above the rest of the world in the Canadian High Arctic. The team, headed by Canadian geologists Drs.
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By Jerome Burdi, South Florida Sun-Sentinel  Mar. 4--OCEAN RIDGE -- Fascination with watching the Earth's shadow cross the face of a full moon dates back to the ancient Greeks and Egyptians. And the awe of watching such cosmic synchronism hasn't faded much since then.
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Pictures of Martian gullies taken years apart suggest that water still flows on the surface of the planet.
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MOUNT ST. HELENS - It is more than 500 feet thick in some places, like a layer cake of ice, rock and snow, flowing in two directions as it wraps around the lava dome in the middle of Mount St.
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You can learn something about a rock by looking at it. But what most geologists really want is to smack it with a hammer. And that&#39;s just what planetary scientists will do July 4 when NASA&#39;s Deep Impact mission
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Earth's magnetic field has flipped many times over the last billion years. But only recently have scientists developed computer models to reveal how these reversals occur.
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The surface of one of the brightest stars in the night sky is imaged by scientists.
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Scientists have long known that the Earth rings like a giant bell after large earthquakes - albeit a bell that no one could ever hear - due to slight deformations that leave the planet jiggling like a bowl of Jell-O.
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Two ways to get there, they told me. You can take the long way, which is around the mountain, or you can take the short way, which is over the mountain.
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A new lava dome is growing on Mount St. Helens, with volcanic rock reaching the surface of the crater after weeks of seismic activity, scientists said today.
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Scientists controlling the Opportunity Mars rover are taking an up-close look at an intriguing pitted rock on Mars, now dubbed "Heat Shield Rock".
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By Jane Wooldridge, The Miami Herald  Dec. 10--SAN PEDRO DE ATACAMA, Chile -- A solitary grave sits near the top of the 10,000-foot pass, a simple monument with a yawning view of the bleached and scarred valley so loved by British geologist Sydney Hollingworth that he asked to buried here.
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Astronomers spotted an asteroid this week after it had flown past Earth on a course that took it so close to the planet it was below the orbits of some satellites.
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Toutatis, a mountain-sized asteroid, came the closest to the Earth since at least the 12th century, allowing scientists to gather data about its trajectory and features, the US National Aeronautics and Space Administration said.
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Spirit, one of the two rovers exploring Mars, has discovered the first rock on the planet that scientists say could have formed only in water - - but whether the water was flowing, or lay like a shallow sea that came and went, remains unknown, the mission
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You can learn something about a rock by looking at it. But what most geologists really want is to smack it with a hammer. That&#39;s just what planetary scientists will do July 4 when NASA&#39;s