Contact: Rob Gutro
NASA/Goddard Space Flight Center
Caption: This chart compares the gas mass for several debris disk systems and shows where the photoelectric instability is most important. Systems like TW Hydrae contain so much gas that the instability is suppressed, but it could arise in relatively gas-free regions near the center of the disk.
Credit: NASA's Goddard Space Flight Center
Usage Restrictions: None
Related news release: NASA study shows disks don't need planets to make patterns