Complement
发表于 2025-3-28 15:56:04
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不在灌木丛中
发表于 2025-3-28 21:44:08
Reviving the Old, Introducing the New...were extensive plans for missions to the Moon, Mars and the outer solar system, as well as for science missions in Earth orbit, notably the Koronas programme of solar observatories. Economic difficulties, though, meant that with the exception of Koronas, these missions could not be funded and few to
jagged
发表于 2025-3-29 02:52:37
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INCUR
发表于 2025-3-29 06:26:09
NASA’s New Robotic Lunar Program...man missions to the Moon, as a precursor to a mission to Mars. As a first step, and beginning no later than 2008, NASA was instructed to “initiate a series of robotic missions to the Moon to prepare for and support future exploration activities”. In ., which the agency published on 11 February, the
ERUPT
发表于 2025-3-29 10:36:21
And When We’re Back on the Moon, What Next?...rth to the unlimited resources of space. With this linkage established, we shall have access to an abundance of energy and material resources from space; we shall explore the Solar System in person, not just by the use of robotic probes; human settlements will be established on various planets and t
Cerumen
发表于 2025-3-29 13:45:06
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temperate
发表于 2025-3-29 17:04:43
Focusing on the Red Planet...s increasing rapidly. The craft carry instruments not only to examine the atmospheric chemistry as well as to study the surface features and composition, but also to peer beneath the surface at the mysteries lurking out of sight.
警告
发表于 2025-3-29 23:00:58
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元音
发表于 2025-3-30 01:20:43
Book 2008r. The annual will cover space exploration from a variety of angles, looking back at past missions, reviewing those currently under way and detailing those planned for the future, and encompassing both manned and unmanned spaceflight. ..The invited contributions, authored by leading figures in astro
precede
发表于 2025-3-30 06:19:40
Stepping Out into the Solar System...o our planet. Once garnering a high-rating on the “giggle factor” listing of planetary worries, experts concur that the chance of a civilization-crippling impact by a large space rock is low ... but it is not zero.