Boil-Off Escape · Envelope Contraction
unseel.com · sub-Neptune · Parker wind · Bondi radius
Envelope R_p ≈ R_B
Gas fraction 30%
Phase
Rocky-icy core
H/He envelope
Disk confining gas
Escaping wind
Unseel.com · Boil-Off Escape: How a Newborn Planet Sheds Its Primordial Envelope