On05, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft were ...

Commissioned in November of 1999 as the eighth mission in NASA's low-cost, high-frequency Discovery program of planetary ...

Scientists on the trail of comets in deep space "reluctantly" announced Friday an end to NASA's Deep Impact mission after nearly a decade that included celestial fly-bys and hundreds of thousands of ...

(Phys.org) —NASA today announced the end of operations for the Deep Impact spacecraft, history's most traveled deep-space comet hunter, after trying unsuccessfully for more than a month to regain ...

Deep Impact will have traveled 268 million miles from the time it is launched aboard an unmanned rocket until it intersects with Comet Tempel 1 just beyond the orbit of Mars, at a point more than 80 ...

Bensch, Frank, Melnick, Gary J., Neufeld, David A., Harwit, Martin, Snell, Ronald L., Patten, Brian M., and Tolls, Volker. 2007. "Submillimeter Wave Astronomy ...

(PhysOrg.com) -- At the heart of every comet lies a remnant of the dawn of the solar system. Or is that remnants? Astronomers don't know, but the answer would give them a clearer picture of exactly ...