https://tomesphere.com/paper/0910.0266
Planetary Nebulae in Face-On Spiral Galaxies. III. Planetary Nebula Kinematics and Disk Mass |...
Nov 20, 2014 - This study measures the vertical velocity dispersion of planetary nebulae in five face-on spiral galaxies to test the constancy of the disk mass-to-light ratio...
planetary nebulaein facespiral galaxiesiiikinematics
https://su.diva-portal.org/smash/record.jsf?pid=diva2:1942110
First unambiguous detection of ammonia in the atmosphere of a planetary mass companion with...
in theplanetary massfirstunambiguousdetection
https://www.planetary.org/space-images/mass-radius-diagram-wide-seager
Mass-radius diagram for a wide range of… | The Planetary Society
The lines show the relationship between mass and radius for idealized planets. Some of them are for a homogeneous planet with the same composition from…
the planetary societywide rangemassradiusdiagram