Protoplanetary Disks

Some articles on disk, protoplanetary disks, disks, protoplanetary disk:

Nebular Hypothesis - Formation of Planets - Giant Planets
... The first one is the disk instability model, where giant planets form in the massive protoplanetary disks as a result of its gravitational fragmentation (see above) ... explain the formation of the giant planets in relatively low mass disks (less than 0.1 solar masses) ... masses and b) accretion of gas from the protoplanetary disk ...
List of Pulsar Planets - Protoplanetary Disks
... Pulsar Protoplanetary disk Discovered 4U 0142+61 4U 0142+61's proplyd 2006. ...