Explainers
No explainer here yet. This is the kind of cell that gets one as soon as something in the queue earns it.
Unread — 2
paper · Mar 2025
JWST NIRCam Coronagraphy Reveals CO2 in the HR 8799 Exoplanets
First direct-imaging detection of CO2 in giant exoplanet atmospheres with JWST’s coronagraph — direct evidence for how the HR 8799 planets formed.
arXiv 2503.13608 post · May 2025NASA’s Europa Clipper Captures Mars in Infrared
The March 2025 Mars gravity-assist doubled as an instrument checkout, capturing 1,000+ thermal images en route to Europa’s ocean.
NASA/JPL