... lines enclosed in a bullet shaped cavity, which on the night side continues as a long cylinder, like the tail of a comet ... it monitored the solar wind, after which it was detailed to explore the far tail; still later it was sent to encounter a comet ...
... A possible explanation was that some time in the past (perhaps long ago) a comet had crashed into the Moon, and comets contain considerable amounts of water ice. ...
... The orbit of Comet Halley, on the other hand, has e quite close to 1. The collection of all points for . ... Comets in general have an eccentricity e close to 1, suggesting they have come from the very distant fringes of the solar ...
... una missione verso le stelle potrebbe essere da una cometa, poich le traiettorie delle comete si estendono gi ai confini del Sistema Solare, e il ghiaccio d'acqua presente nelle comete potrebbe fornire l'idrogeno e l'ossigeno come propellente per i motori ...
... motion makes no difference. 22a. The aberration of starlight, comet tails etc. 22b Elementary notions about aerodynamics ... Aberration of the solar wind, comet tails. 22b Problems of flight near the speed of sound. 24. ...
... motion makes no difference. 22a. The aberration of starlight, comet tails etc. 22b Elementary notions about aerodynamics ... Aberration of the solar wind, comet tails. 22b Problems of flight near the speed of sound. 24. ...
... A spacecraft approaching a stationary object --like a comet approaching the Sun--increases its speed as it approaches, but after it passes (assuming there has been no collision) it loses again all it had gained. ...