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This is a genuine iron meteorite, this is believed to have once been part of the core of a long dead planet or asteroid, and this was found right here in this strewn field, this remarkable little shapes, indentations on the surface are called thumbpr

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Steven Jabs search for remaining fragments, using a custom-built metal detector rig. Meteorites will have iron in them, and it's ? So not only will magneticbe attract to it, but also metal detector will be able to pick it up. Every year, over eightee

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“And so with Magellan we’ve got the first chance, one of the first chances, ok, to really get a complete map and view of it.” The Venusian landscape has a desert-like appearance, but it’s a go

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DOUG JOHNSON: Im Doug Johnson. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. Mars Day at the Smithsonian Air and Space Museum in Washington is a celebration of our solar systems most famous planet. The event, on July s

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CNN 2009-07-30

Hi there! Thanks for joining us. I'm Virginia Cha at the CNN center in Atlanta with a look at what's happening NOW IN THE NEWS. Authorities looking for an eighth member of alleged North Carolina terror group. They say the suspects planned a violent

step by step 第四册 lesson 136

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On Mars, NASA Finds ‘Organic’ Substances Linked to Life

The United States space agency says its Mars exploration vehicle has discovered chemical substances necessary for life. Scientists reported that NASAs Curiosity rover found large amounts of organic molecules in 3.5 billion-year-old rock in an area ca

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At this point, about 4.5 billion years ago, an object the size of Mars crashed into Earth, blowing out enough material to form a companion sphere, the Moon. Within weeks, it is thought, the flung material had reassembled itself into a single clump, a

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When I flick on the lights there are pumpkin-sized rocks all over the floor, whole and halved, craggy on the outside and streaked with veins of metal inside. Ooh, look, Henry. Meteorites. Whats meteorites? Rocks that fall from outer space. He looks a

外太空最黑暗的真空中是否有生命

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If you thought Russia's recent efforts to prevent rain in the sky from dampening holiday spirits represented the ultimate in scientific stage management, you ain't seen nothing yet. 如果你认为俄罗斯最近为了阻止雨水毁掉节日氛围的努

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An asteroid hurtled past Earth. It was 13 times closer to Earth than the moon is. Then a huge meteorite exploded above a city in Russia. The shock wave shattered thousands of windows. Then a white fireball over San Francisco startled witnesses. Then

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As always, however, nothing was quite as straightforward as such a breezy description makes it sound. Meteorites are not abundant and meteoritic samples not especially easy to get hold of. Moreover, Brown's measurement technique proved finicky in the

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For seven years, first at the University of Chicago and then at the California Institute of Technology (where he moved in 1952), he worked in a sterile lab, making very precise measurements of the lead/uranium ratios in carefully selected samples of

Science names HIV study 2011 Breakthrough of Year

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音乐咖啡厅:Lights - Meteorites

Perseids lead us up to where the money is Where kings had lived Both of us are leaving town when we get old enough We're moving up We are gonna see greater heights Theyll put our names up in neon lights Rolling volcanoes in the night Glowing in the d