The Pellas-Ryder Award is jointly sponsored by the Meteoritical Society and the Planetary Geology Division of the Geological Society of America, is awarded to an undergraduate or graduate student who is first author of the best planetary science paper published in a peer-reviewed scientific journal during the year prior to the award.

The deadline for nominations of 2019 papers is January 31. Submissions (PDF) for consideration should be emailed to the Chair of the Selection Committee, Dr. Emily Martin (