How to make a camera's solar filter an amazing way Cameras need solar filters for two reasons. One is to protect the camera from strong sunlight, and the other is to prevent accidental viewing of the sun through unfiltered equipment. In any case, the ... mehr»
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Thursday, 18. April 2024
Zeitsuche » telescope
2006-03-11 19:23
 Sirius B wasn't photographed until 1970 :- In Mali, West Africa, lives a tribe of people called the Dogon. The Dogon are believed to be of Egyptian decent and their astronomical lore goes back thousands of years to 3200 BC. According to their ... mehr» Vor 18 Jahren - von tao
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2005-04-29 17:38
Normal vs dark Simple but true The fingerprint takes the form of pressure waves or sound waves - "acoustic peaks" or "baryon wiggles" as the scientists call them - which have nudged matter on its very discrete course. Its most obvious ... mehr» Vor 19 Jahren - von tao
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