... burn up as they enter Earth'satmosphere at high speed -- around 71 kilometres (45 ... completely vaporized high in the Earth'satmosphere, and present no danger to the ... meteors entering the earth'satmosphere at the fastest possible speeds -- 72 ...
... ray observations free from the Earth'satmosphere, which absorbs X-rays, and the Van ... holes" Frank believes are created by small comets impacting the Earth'satmosphere ...
... Leonid meteors strike the earth'satmosphere at high speed, 44 miles per second, and ... out by the comet will slam into the Earth'satmosphere at 71 kilometres per second ...
... and without wobble when we separate from the rockets above the Earth'satmosphere ... American to climb aboard a rocket and be launched above Earth'satmosphere has died ...
... The Venus Sounder for Planetary Exploration, or Vesper, an orbiter with four instruments to measure the composition and dynamic circulation of the middle atmosphere of Venus and its similarities to processes in Earth'satmosphere. ...
... Scheduled to launch in 2001, its goal is to determine whether a space-based sensor can accurately measure global winds within Earth'satmosphere from just above the surface to a height of about 16 kilometers (10 miles). ...