Space Mission Priorities for Near-Earth Object Risk Assessment and Reduction
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Into the Beyond: a Crewed Mission to a Near-earth Object
ABSTRACT Aside from the exploration of Mars, the objects that most capture our interest for a new human visit are the Near-Earth Objects (NEOs). These objects are ideal candidates for deep space operations and explorations as we extend the human presence out into the solar system. The notion of a crewed mission to a NEO was first discussed in the Apollo era. The most recent assessment has been ...
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The notion of a piloted mission to a near-Earth object (NEO) was first discussed and analyzed in depth as part of the Space Exploration Initiative in 1989 (Davis et al., 1990). Since then, four other studies have examined the details of sending humans to NEOs (Nash, et al., 1989; Jones, et al., 1994, 2002; Mazanek, et al., 2005). The most recent assessment has been undertaken by the Advanced Pr...
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Microsatellites known as “CubeSats” have recently been developed to enable comparatively inexpensive and timely access to space for small payloads. As a new standard for small satellites, the CubeSat has shown great promise for space applications such as earth observation, planetary science and space physics mission. In this paper a “CubeSail” mission – a CubeSat deployed with a solar sail –for...
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The Asteroid Impact and Deflection Assessment (AIDA) mission will be the first space experiment to demonstrate asteroid impact hazard mitigation by using a kinetic impactor to deflect an asteroid. AIDA is an international cooperation entering Phase A study at NASA and ESA, consisting of two mission elements: the NASA Double Asteroid Redirection Test (DART) mission and the ESA Asteroid Impact Mi...
متن کاملInvestigate probability of damage of Earth dam under Near-field and Far –field earthquake : Case study Gotvand earth dam
The main goal of preset research is investigate the effects of vertical component of Near-Fault and Far-Field earthquake records on the probability of overtopping induced damage of earth dam due to the reduction of freeboard due to the settlement of dam crest. In this respect 12 different earthquake record are selected. Nonlinear dynamic analysis of earth dam is implemented with FLAC 3D using F...
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تاریخ انتشار 2004