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...actually, it's a pellet of “dry ice” floating on a shallow bed of dark blue water and shooting off geysers of carbon dioxide as it warms up. The dry ice is solid CO2 which sublimates directly to gas as it warms up (skipping the liquid phase altogether).

It is mesmerizing to watch. Particles glide along the surface, spin, and merge when they touch. Here is a very cool video of the icy bodies spinning and shooting around.

TheAlieness GiselaGiardino²³, moonchild, premasagar, !efatima, and 48 other people added this photo to their favorites.

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  1. juandesant 74 months ago | reply

    Thanks for the link to the "portable coments exhibit machine"! I'm using that film, together with a computer simulated comet, in order to teach kids what comets really are!

  2. Navas 67 months ago | reply

    This is great - I love the sparkling blue!

    --
    Seen in Galaxies on Earth (?)

  3. Odge 39 months ago | reply

    That is so so cool and should get far more attention.

    Via your photostream on Fluidr

  4. Theshticks 4 months ago | reply

    Thank you for making this amazing shot available! I used it here: www.theshticks.com/2013/01/fast-nirvana.html

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