Explosions in Space May Have Initiated Ancient Extinction on Earth.
Scientists at NASA and the University of Kansas say that a mass extinction on Earth hundreds of millions of years ago could have been triggered by a star explosion called a gamma-ray burst. The scientists do not have direct evidence that such a burst activated the ancient extinction. The strength of their work is their atmospheric modeling -- essentially a "what if" scenario. <b>NOTE: French, German, Italian, and Spanish translations follow...</b>
Comments:
There are no comments yet.
Funding Member
Sponsors
- ADM
- APM-Telescopes
- jp Astrocraft, LLC
- FocusKnobs
- T.E.C
- RemoteSkies.net
- Denkmeier Optical
- Pier-Tech Inc.
- AstroMart LLC
- Astromart Customer Service
- OMI OPTICS USA LLC
- GetLeadsFast, LLC
- Anacortes Telescope
- Rouz Astro
- astronomy-shoppe
- SellTelescopes.com
- Desert Sky Astro Products
- Matsumoto Company
View all sponsors