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Post Info TOPIC: Lagrange Point spacestation


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Lunar L2 Lagrange Point
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Title: A Lunar L2-Farside Exploration and Science Mission Concept with the Orion Multi-Purpose Crew Vehicle and a Teleoperated Lander/Rover
Authors: Jack O. Burns (1 and 2), David A. Kring (3 and 2), Joshua B. Hopkins (4), Scott Norris (4), T. Joseph W. Lazio (5 and 2), Justin Kasper (6 and 2) ((1) University of Colorado Boulder, (2) NASA Lunar Science Institute, (3) USRA Lunar and Planetary Institute, (4) Lockheed Martin Space Systems, (5) Jet Propulsion Laboratory, (6) Harvard-Smithsonian Center for Astrophysics)

A novel concept is presented in this paper for a human mission to the lunar L2 (Lagrange) point that would be a proving ground for future exploration missions to deep space while also overseeing scientifically important investigations. In an L2 halo orbit above the lunar farside, the astronauts aboard the Orion Crew Vehicle would travel 15% farther from Earth than did the Apollo astronauts and spend almost three times longer in deep space. Such a mission would serve as a first step beyond low Earth orbit and prove out operational spaceflight capabilities such as life support, communication, high speed re-entry, and radiation protection prior to more difficult human exploration missions. On this proposed mission, the crew would teleoperate landers and rovers on the unexplored lunar farside, which would obtain samples from the geologically interesting farside and deploy a low radio frequency telescope. Sampling the South Pole-Aitken basin, one of the oldest impact basins in the solar system, is a key science objective of the 2011 Planetary Science Decadal Survey. Observations at low radio frequencies to track the effects of the Universe's first stars/galaxies on the intergalactic medium are a priority of the 2010 Astronomy and Astrophysics Decadal Survey. Such telerobotic oversight would also demonstrate capability for human and robotic cooperation on future, more complex deep space missions such as exploring Mars.

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Posts: 131433
Date:
Lagrange Point spacestation
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NASA wants to send astronauts beyond the moon

Top NASA officials have picked a leading candidate for the agency's next major mission: construction of a new outpost that would send astronauts farther from Earth than at any time in history.
The so-called "gateway spacecraft" would hover in orbit on the far side of the moon, support a small astronaut crew and function as a staging area for future missions to the moon and Mars.

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