'Rock Comet spouts a tail' [Science @ NASA]
- Uploaded by Ur_lnner_Voice on Nov 30, 2013
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Mysterious Object May Actually Be a "Rock Comet".
The mysterious object, 3200 Phaethon, now seems to have grown a tail - making it a probable "rock comet." This object is almost certainly the source of the annual Geminid meteor shower.