CANE
发表于 2025-3-23 10:43:04
How to Find the Apollo Landing Sites978-3-319-06456-7Series ISSN 1431-9756 Series E-ISSN 2197-6562
TEN
发表于 2025-3-23 16:15:03
Apollo 14,hepard. Apollo 14 featured Stuart Roosa as the CM pilot and Edgar Mitchell as the LM pilot, both on their first and, as it turned out, only space missions. With two space rookies, and one astronaut with only a suborbital 15 min space ride under his belt, the crew of the Apollo 14 were affectionately called “The Rookies.”
滔滔不绝地讲
发表于 2025-3-23 19:28:53
Apollo 15,ith Apollo 18 and subsequent missions terminated. In light of the budget cuts, NASA planners placed a greater emphasis on scientific activities for the J missions, and maximized the scientific opportunities of the final three missions.
骚动
发表于 2025-3-23 23:32:43
Missed Opportunities: The Cancelled Missions,o the geopolitical success of Apollo and the decision of President Nixon and Congress to reallocate the U.S. Federal Budget to support other national objectives. Apollo 20 was cancelled in January 1970. Two more flights were cancelled in September, 1970, with the remaining missions renumbered 15 through 17.
Aprope
发表于 2025-3-24 02:45:55
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wall-stress
发表于 2025-3-24 07:10:04
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Chauvinistic
发表于 2025-3-24 12:17:19
The Surveyor Series,NASA developed the Surveyor Program as the follow-up to the Ranger program. Ranger proved that NASA could hard crash a spacecraft into the Moon. Surveyor was NASA’s opportunity to achieve soft landings on the Moon. Additionally, NASA set scientific goals of Surveyor to gather data about the Moon’s surface, through photographs and digging scoops.
规范就好
发表于 2025-3-24 16:17:19
Moon, Mars, and the Future,On September 12, 1962, President John F. Kennedy spoke at Rice University and spoke these immortal words that launched the United States on its quest to the Moon:
muscle-fibers
发表于 2025-3-24 21:12:19
James L. ChenOffers casual and serious observers the ability to locate the Apollo landing sites (with or without visual aid) and provides history on each mission, including why sites were chosen.Shows a visual, pi
allergy
发表于 2025-3-25 02:39:56
The Patrick Moore Practical Astronomy Serieshttp://image.papertrans.cn/h/image/428769.jpg