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Space-based radio echo sounding of the continental ice sheets can potentially provide full coverage with uniform sampling and data quality as well as detection of change in environmentally sensitive areas. This research addresses the feasibility of sounding the Antarctic ice sheets with a space-based P-band radar. The assessment makes use of an electromagnetic model of the ice sheets where most of the model parameters are estimated from data that have been acquired in Antarctica with an airborne P-band ice sounding radar.
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The Asteroid Impact Mission (AIM) is part of the Asteroid Impact and Deflection Assessment (AIDA). The intention of AIDA is to send two spacecraft, AIM and Double Asteroid Redirection Test (DART) to the binary asteroid 65803 Didymos, to investigate the kinetic effects of crashing an impactor spacecraft into the smaller body of the binary asteroid, hereafter called Didymoon. The large body is called Didymain. Ultimately the mission hopes to test whether a spacecraft could successfully deflect an asteroid on collision course with Earth.
TECHNICAL UNIVERSITY OF...
TECHNICAL UNIVERSITY OF...
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