Coming to you July 4th:
“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.
Scientists hope the July 4 collision will gouge a crater in the comet’s surface large enough to reveal its pristine core and perhaps yield cosmic clues to the origin of the solar system.
Your tax dollars at work!