... solar system, all waiting for their chance to impact the Earth and wipe out human ... are launched, the asteroid is vaporized seconds before impact, and everyone is happy ...
... supernova 1987A show that the blast wave from the exploded star is finally starting to impact the ring, lighting it up ... gas outward, then exploding into a huge ball of fire, scattering complex molecules formed deep inside stars far out into space ...
... Not the actual science, per se, but the impact it has had on the public's mind and heart. ... I work with astronomy every day, all day, and I never cease to feel the excitement and deep sense of awe it inspires. ...
... I did this calculation once before, to show that a comet impact could not destroy a planet . ... which are not only safer for people (they tend not create deep dark shadows where someone can hide) but also are more efficient ...
... Actually, in real life, small meteoroids are dangerous to satellites not because of impact, but because the heat of impact vaporizes the metal in the satellite, and the ionized plasma then wreaks havoc on the electronics!] ...
... He's obviously a man of deep convictions. We found out how much immediately. ... over Texas, NASA lost contact and images from the ground show the shuttle breaking up and impact is reported north of Dallas ...
... It then spends 1800 years falling toward the Sun, and whips around it tremendously fast, only to head out into deep space again ... If you go really really far away from the Earth and drop a rock, it will impact at escape velocity! ...