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Lunar Laser Ranging experiment
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Geliefert zwischen Mo., 19.01.2026 und Di., 20.01.2026
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High Quality Content by WIKIPEDIA articles! The ongoing Lunar Laser Ranging Experiment measures the distance between the Earth and the Moon using laser ranging. Lasers on Earth are aimed at retroreflectors previously planted on the Moon and the time delay for the reflected light to return is determined. Since the speed of light is known with very high accuracy, the distance to the moon can be calculated. This distance has been measured with increasing accuracy for more than 35 years. The distance continually changes for a number of reasons, but averages about 384,467 kilometers. The time delay in the reflected light is about 2 seconds. The first successful tests were carried out in 1962 when a team from the Massachusetts Institute of Technology succeeded in observing reflected laser pulses using a laser with a millisecond pulse length. Similar measurements were obtained later the same year by a Soviet team at the Crimean Astrophysical Observatory using a Q-switched ruby laser.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131629822
- Herausgeber Alphascript Publishing
- Anzahl Seiten 144
- Genre Baum- und Umwelttechnik
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- EAN 9786131629822
- Format Kartonierter Einband
- Titel Lunar Laser Ranging experiment
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