Deep Impact’s blast to the past

Posted on: Jun. 27th, 2005 || Source: fortwayne.com | E-mail Article | Print Article

LOS ANGELES – Not all dazzling fireworks displays will be on Earth this Independence Day. NASA hopes to shoot off its own celestial sparks in an audacious mission that will blast a stadium-sized hole in a comet half the size of Manhattan. It would give astronomers their first peek at the inside of one of these heavenly bodies.

If all goes as planned, the Deep Impact spacecraft will release a wine barrel-sized probe on a suicide journey, hurtling toward the comet Tempel 1 – about 80 million miles away from Earth at the time of impact.

“It’s a bullet trying to hit a second bullet with a third bullet in the right place at the right time,” said Rick Grammier, project manager at NASA’s Jet Propulsion Laboratory in Pasadena, Calif.

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