No molecular gas around nearby solar-type stars

JS Greaves, IM Coulson…�- Monthly Notices of the�…, 2000 - academic.oup.com
… over Gyr time-scales (egNakano 1987; Safronov & Ruskol 1994) are thus not supported by
the survey results — with a t −1 relation, the gas mass falls below that of a Uranus-like planet

[HTML][HTML] Physics of planets I: Darwin and the atmospheres of terrestrial planets

F Selsis�- Darwin and Astronomy: the Infrared Space�…, 2000 - adsabs.harvard.edu
… case of a Neptune or Uranus-like planet coming into the …