A new study brings into question the use of the molecule fullerene as a geologic indicator of impact events on ancient Earth.
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Impact events: March 2016
We have identified iridium in an ~5 m-thick section of pelagic sediment cored in the deep sea floor at Site 886C, in addition to a distinct spike in iridium at the K-Pg boundary related to the Chicxulub asteroid impact.
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- 18 Sep: Hearing: Developing Core Capabilities for Deep Space Exploration: An Update on NASA’s SLS, Orion, and Exploration Ground Systems
- 18 Sep: NASA Astrobiology Institute Virtual Workshopl: Astrovirology
- 23 Sep: Planetary Science Advisory Committee Meeting
- 26 Sep: Astronomy and Astrophysics Advisory Committee Meeting
- 1 Oct: Heliophysics Advisory Committee Meeting
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