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What space dust could tell us about Earth’s past

Determining the composition of Earth's current atmosphere is relatively straightforward, using direct measurements, remote sensing via satellites, and sampling by aircraft. It is far more complicated to determine the composition of Earth's past atmosphere, going as far back as 4.6 billion years ago. Bubbles in... click to read more

Views 616
Reading time 3 min
published on Jan 5, 2021
Climatic Changes for Earths in Sun-like Stellar Binaries

The mild oscillation of Earth's axial tilt, or obliquity, over time is less than a few degrees and is one of the reasons that complex lifeforms prospered on our planet. Will this be true if the giant planets are replaced by a Sun-like star? Alpha... click to read more

  • Billy Quarles | Research Scientist at Georgia Institute of Technology, Atlanta, Georgia, USA
Views 2164
Reading time 3.5 min
published on Jun 29, 2020