单词:earth rock cofferdam
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Seeing is believing. But seeing a huge rock half the size of Earth smash into Jupiter in July 1996 was incredible. Can you imagine what would happen if Earth collided with a huge space rock? It would
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. STEVE EMBER: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violen
37 研究表明2500万年前流星曾碰撞过地球 DATE=4-18-01 TITLE=SCIENCE REPORT - Meteor Collision With Earth BYLINE=Jill Moss (Start at 59
I can see the clouds roll in And I can feel the wind as they try to shake me I will not be moved My feet are on the Rock I can feel the waters rise And I can hear the howling lies that haunt me Fear won't hold me now My feet are on the Rock When I fe
BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about
BEIJING, June 28 (Xinhuanet) -- A truck-sized asteroid passed over the Atlantic Ocean within 7,500 miles of the Earth on Monday, according to NASA's Jet Propulsion Laboratory. The space rock, called asteroid 2011 MD, is the second space rock to zip e