Science Source ftp Apr 2015
EN_01170126_0384
"The comet could even be seen on the other side of the world!". An 1835 papier mache, oriental tray showing Halley's comet. Halley's Comet or Comet Halley (1P/Halley) is the best known of the short-period comets and is visible from Earth every 75-76 years. It is the only short-period comet that is clearly visible to the naked eye from Earth, and thus the only naked-eye comet that might appear twice in a human lifetime. It was observed and recorded by astronomers since at least 240 BC. Records of the comet's appearances were made by Chinese, Babylonian, and medieval European chroniclers, but were not recognized as reappearances of the same object at the time. The comet's periodicity was first determined in 1705 by English astronomer Edmond Halley, after whom it is now named. Halley's Comet last appeared in the inner Solar System in 1986 and will next appear in 2061.
2015-04-07
East News
Science Source
Science Source
BV1121
2,5MB
34cm x 25cm przy 300dpi
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