Knock, knock. Who’s there? A free floating planet!
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!
Diffusion and depletion of carbon monoxide in disks
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.
We don’t need Planet 9!
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?
Understanding the surprising narrowness of eccentric debris belts
Some extrasolar debris belts are not just eccentric but also surprisingly narrow. What processes can influence the width of debris belts?
Life Can Travel Through Space! But Only Under Certain Conditions…
Scientists have found a new condition in which life can travel through space! Read more…
X-ray Signals from White Dwarf Planet Destruction
What can x-rays tell us about the remains of planets orbiting dead stars?
Read more…