WEST LAFAYETTE, Ind. (WLFI) - A Purdue professor thinks there's a safer way of saving the earth from an asteroid collision than nuclear weapons.
Distinguished professor of Earth, Atmospheric and Planetary Sciences Jay Melosh said he thinks the harm caused by using nuclear weapons is greater than the threat of asteroids.
Melosh said he worked on a team that successfully altered the path of a comet by bumping it with a heavy rocket.
He said by doing this, we could save the Earth years in advance.
"Even with the kind of space craft that we can launch today, a decade ahead of time we can avoid an impact on the earth," said Melosh. "It's that kind of thing we should be looking at now, not the use of nuclear weapons to blow these things out of the sky Bruce Willis style."
Melosh said a project to alter the trajectory of an asteroid would cost around $400,000,000.
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