In a dress rehearsal for the rendezvous between NASA’s Deep Impact spacecraft and comet 9P/Tempel 1, the Hubble Space Telescope captured dramatic images of a new jet of dust and gas streaming from the icy comet.
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Interesting. Thanks Heidi
but
…possibly blasting off material and giving rise to a similar plume of dust and gas.
Are they inferring they need not have sent the impactor. 