Image:Liquid awesome.ppg.jpg

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Description

Before stars, the universe had only the three lightest elements: hydrogen, inert helium, and a bit of lithium. With just these building blocks, the complex molecules needed for life would not be possible (blog: Ode to Carbon).

Carbon, oxygen and the rest of the heavier elements came from the crucible of stars that died billions of years ago.

Here you see a light blue 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).

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.
Source

originally posted to Flickr as ☆
Date

2007-01-14 16:20:51
Author

Steve Jurvetson
Permission
(Reusing this image)
This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 06:48, 22 November 2007 (UTC) by Astrojunta. On that date it was licensed under the license below.
Creative Commons License
Creative Commons Attribution icon		 This file is licensed under Creative Commons Attribution 2.0 License
Reviewer Astrojunta

File history

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Date/TimeDimensionsUserComment
current06:48, 22 November 20071,206×727 (370 KB)Flickr upload bot (Uploaded from http://flickr.com/photo/44124348109@N01/360135441 using User:Flickr upload bot)
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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer Canon
Camera model Canon PowerShot SD700 IS
Exposure time 1/50 sec (0.02)
F-number f/2.8
Date and time of data generation 16:20, 14 January 2007
Lens focal length 5.8 mm
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used QuickTime 7.1.3
File change date and time 19:09, 16 January 2007
Y and C positioning 1
Exif version 2.2
Date and time of digitizing 16:20, 14 January 2007
Shutter speed 5.65625
Aperture 2.96875
Exposure bias 0
Maximum land aperture 2.96875
Metering mode Pattern
Flash 88
Color space sRGB
Sensing method One-chip color area sensor