Think comets are simply just ice and rock? You’ll be surprised at the range of interactions in their atmospheres. Find out more at Prof. Dennis Bodewits’ #AAS240 plenary talk!
What if a planet-killer type asteroid would impact Earth in six months time? How could we go about preventing such an existential threat?
Where do interstellar objects come from? And how many should we expect to find every year?
We report on Day 3 of the virtual winter AAS meeting.
Today we interview Dr. Scott Tremaine, who is giving the career-capping Henry Norris Russell lecture, which will feature insights into cosmic dynamics on scales ranging from comets to galaxy clusters.
Today’s undergraduate research post features a student who observed long and short period comets to understand the differences in their formation.