... Firing the rocket engines ultimately makes an orbiting spaceship go slower . ... If the rocket engines force the satellite to go faster or slower than this velocity ...
... The astronauts squeeze into their space suits, strap on their rocket-powered backpacks, and load their cameras. ... Stepping outside, the backpackers -- using brief rocket bursts -- slowly glide toward the glittering golden plain. ...
... This is why rockets ascend. ... the hot exhaust gases rushing out the rocket engines creates an equal but opposite ... Rockets do not move because they are pushing against ground or air. ...
... same fellows were that era's Tennessee "rocket boys" in the Homer Hickam, Jr., sense ... seen the old 8mm movies of their rocket launches and near launches (read fizzles ...
... the Sun combines with 41,200 kilometers per hour imparted by the rocket engines ... Then fire your rockets in the same direction that Earth is moving around the Sun. ... At that point, fire the rockets to match your speed to that of Mars. ...
... Harwit founded a rocket-based infrared astronomical program at Cornell which led directly to the first space-based infrared observation via Aerobee sounding rockets in 1970. ...
... But a nuclear-tipped rocket exploded nearby would melt some of the comet's frozen gases turning them into "jets'' that act like rocket exhaust, nudging the comet away from its deadly path. ...
... Placing satellites in space involves more than powerful rockets to get them off Earth?it also takes great care in finding points where competing gravitational forces are balanced. ...