How big was hales comet?



  1. 0 Votes

    Halley’s comet is 16 x 8 x 7 km in its dimensions; has a mass of 100,000,000,000,000 kg; approximately the size of the island of Manhatten in NY.

  2. 0 Votes

    I think you mean the Hale-Bopp comet. The size is determined by the nucleus and the cloud of dust that surrounds it. The Hale-Bopp comet’s nucleus was over 2.5 million kilometers across…an enormous size!

  3. 0 Votes

    The nucleus was definitely NOT 2.5 million km across – as the ref cited in the other answer indicates, that was the size of the dust cloud around it. Comet nuclei are meters to a few tens of km across, and Hale-Bopp’s nucleus was estimated at about 30 to 40 km – rather smaller than 2.5 million km.

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