climate

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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

Rebecca Payne | PhD student at Penn State University

early Earth

climate

atmospheric chemistry

micrometeorites

Archean

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

exoplanet

climate

binary stars

Reading time 3.5 min

published on Jun 29, 2020