Not that long ago, in a system not too far away, a free-floating planet pays a visit… to HD 106906, a binary star system with an exoplanet and a debris disk!
Where is the missing carbon monoxide in protoplanetary disks? Today’s paper suggests that it might have something to do with turbulent mixing in disks as well as the physics of condensation.
The authors of today’s paper decided to take a less radical approach into investigating the trans-Neptunian objects. Maybe we don’t need Planet 9 after all?
Some extrasolar debris belts are not just eccentric but also surprisingly narrow. What processes can influence the width of debris belts?
Scientists have found a new condition in which life can travel through space! Read more…
What can x-rays tell us about the remains of planets orbiting dead stars?