astronomy

Hunt is on for pieces of van-sized California meteor

Article from New Scientist online pages Wanted: fragments of a minivan-sized meteor that exploded over northern California and Nevada on Sunday morning and may well have survived to strike Earth. Meteorites – meteors that make landfall – can provide crucial information about the chemical composition of the early solar system. “It’s like getting sample return …

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New study finds mysterious lack of dark matter in Sun’s neighborhood

The results may mean that attempts to directly detect particles of the invisible substance on Earth are likely to be unsuccessful. From Astronomy Magazine online By ESO, Garching, Germany — Published: April 19, 2012 This annotated artist’s impression shows the Milky Way Galaxy. The blue halo of material surrounding the galaxy indicates the expected distribution …

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