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29th November 2001 at 9:19 pm #43050
DalekTek790
Participant

quote:

Originally posted by Headgehog:
Flamegrape has a point, Elfie. Currently we can only detect gas giants no smaller then Saturn. Or 0.8 Jupiter Masses. We detect planet by the gravitational wobble they cause on their respective stars. Earth-like planets cause too little a wobble to be detected from this far away.

Actually, smaller terrestrial-type planets have been detected using other methods.