JWST Settles Planet-or-Star Question for 29 Cygni b
TL;DR Summary
Using JWST's near-infrared imaging, researchers directly imaged 29 Cygni b and found it metal-rich with an orbit aligned to its star, consistent with formation in a protoplanetary disk via rapid accretion; at about 15 Jupiter masses it’s a planet, not a star.
Topics:science#29-cygni-b#exoplanets#planet-formation#protoplanetary-disk#space-and-spaceflight#webb-telescope
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