Being a planetesimal ain’t easy. But sometimes to make it big you have to first get broken down.
A spectral line survey toward two nearby protoplanetary disks discovers new molecules and offers a comprehensive view of disk chemistry.
New observations of 13C17O gas in HL Tau reveal a massive, gravitationally unstable protoplanetary disk.
The sites of planet formation seem to be anything but orderly and a recent discovery may help explain the observed wide variety of exoplanet configurations.
Protoplanetary disks may be the birth place of planets, but they also throw astronomers for a loop in today’s paper.