Core-Powered Mass Loss ·
Heat Strips the Air
un
seel
.com · sub-Neptune · Parker wind · radius valley
Envelope
5.0% M
c
Radius
2.4 R⊕
Stage
—
Hot rocky core
H/He envelope
Sonic / Bondi radius
Escaping wind
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.com · Core-Powered Mass Loss: The Planet's Own Heat Strips Its Atmosphere