NASA scientists, led by Dan Truman, plan to trigger a thermonuclear detonation at least 800 feet (240 m) inside the asteroid to split it in two, driving the pieces apart so both will fly past the Earth.
She and her ex-husband lived a very quiet life in Boulder, Colorado.
He was a professor at one of the universities and she was a housewife.
Armageddon fared better at the box office, while astronomers described Deep Impact as being more scientifically accurate.
A massive meteor shower destroys the orbiting Space Shuttle Atlantis and bombards a swath of land around the North Atlantic.
Armageddon is a 1998 American science fiction disaster film directed by Michael Bay, produced by Jerry Bruckheimer, and released by Touchstone Pictures.