Titlebook: Asteroids; Prospective Energy a Viorel Badescu Book 2013 Springer-Verlag Berlin Heidelberg 2013 Asteroids.Energy Resources.Material Resourc

人造

https://doi.org/10.1007/978-3-663-08502-7Os) originate in the near-Earth-object (NEO) population and are temporarily captured in the potential well of the Earth-Moon system (EMS). Granvik et al. (2012) predict that the largest object in orbit around Earth at any given moment (other than the Moon) has a diameter . ~1 m (Sect. 6.2). The numb

艦旗

https://doi.org/10.1007/978-3-663-08502-7r potentially destructive capabilities and the recent improvements in NEO detection rate have given us the impulse to expand our knowledge in order to devise a way of detecting and neutralize possible dangers to our existence. Recent studies however suggest that the pool of materials available in th

anachronistic

胰島素

eustachian-tube

Leonid Nossov,Hanno Ernst,Victor ChupisBritt 2001; Fujiwara et al. 2006). The constituent particles, ranging from millimeters up to tens of meters, are weakly held together as an aggregate by a combination of both gravitational and van der Waals forces, which can be of comparable strength (Scheers et al. 2010). Future missions to these r

ALIAS

急急忙忙

闡釋

背景

Geometrie und Zahlen axiomatisierenfuture space endeavours are large space solar power satellites, space tourism or more visionary human space settlements. This, of course, implies a much larger mass of material in-use in space, for both structural mass and life support. The traditional approach to deliver material into orbit has alw

任意