A large meteorite can launch bits of molten rock into the atmosphere when it impacts Earth. When that molten rock cools, it forms tektites, shown here. Photo by Robert Eastman / Alamy Stock Photo The ...
Scattered thinly over the earth’s surface are large patches of tektites—glassy lumps up to several inches across, of mysterious and probably unearthly origin. In Britain’s Nature, American Chemist ...
"Separate from The University of Texas Publication 3945, issued June, 1940." siris_sil_434267 ...
One of the largest known meteorites to hit Earth struck nearly 800,000 years ago, but the exact spot where it smashed into our planet has been a mystery – until now. The crater may lie beneath lava in ...
Maupin brothers visit the annual Rock and Mineral Show in Tucson, AZ, on the hunt for meteorite. Host Jeremy Maupin and his brother Nathan visit the annual Rock and Mineral Show in Tucson, Arizona, to ...
Nine times in the past 4,000,000 years or so, the earth’s magnetic field has completely reversed. The North Pole became the South Pole, the South Pole the North. During these reversals, scientists ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!953864~!0#focus ...
THE suggestion first made in NATURE (131, 117; 1933) by Dr. L. J. Spencer that tektites have been formed by the fusion of terrestrial rocks by the fall of very large meteorites has given rise to an ...
WITH reference to Dr. L. J. Spencer's letter in NATURE of October 7, p. 571, on the origin of tektites, the strongest argument against his suggestion that they were formed by the fusion of terrestrial ...
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