"16 minutes"
Check out yesterday's excellent post by Geotripper about the recent arrival at Earth of light from a supernova that happened 7.5 billion years ago.
Labels: blogs, planetary geology
Tuesday, March 25, 2008
by Callan Bentley
Previous Posts
- NPR: Geology students cash in
- Worth a thousand words
- Erosional divots show paleo-up
- Treating limestone hand samples with acid
- Frozen Blob
- Amygdular cobble
- Play
- Honors students' field work, Part 3
- Migmatitic
- Ultramafics in the Piedmont
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NOVA Geoblog: earth science observations, news, photos, teaching, & commentary
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