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CINEMA FANTASTIC
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by Marcel F. Williams Tuscany is renowned for its beautiful cities of Florence and Siena, and is historically famous as the birthplace ...
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by Marcel F. Williams Congress has now made it clear that they want the immediate development of a heavy lift vehicle and a crew explorato...
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Buzz Aldrin on the surface of the Moon (Credit: NASA) by Marcel F. Williams I n July of 2016, researchers on the health of NASA astro...
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by Marcel F. Williams During the Great Depression, the Roosevelt administration decided to create jobs in the US by expanding electric power...
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Links and References Our Earliest African Ancestor Evidence of Cerebral Reorganization in the Skull of a Seven Million Year Old Huma...
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Links and References Was the Swamp Ape Bipedal? Marine Adaptations in Human Kidneys Morphological Evidence of Marine Adapta...
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by Marcel F. Williams During Space Shuttle manager John Shannon's presentation of the Side-mount Shuttle (SD-HLV) concept to the Augu...
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by Marcel F. Williams The Chernobyl nuclear disaster occurred on April 26th, 1986 when reactor number four at the Chernobyl electric power ...
1 comment:
The delta v station keeping requirements for Earth-Moon L1 and L2 are less than 10 meters/second. But the delta v station keeping requirements for L3, L4, and L5 are less than 1 meter/ second.
However a lunar equatorial Distant Retrograde Orbit (DRO) would have station keeping delta v requirements of only a few centimeters/second per year. So DRO is the best place far large rotating space stations and space colonies within cis-lunar space.
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