General Astrophysics Colloquium of Leiden Observatory.
Speaker: Duilia de Mello:
Title: Deep Images of Mergers (A citizen Science Project)
Abstact: Simulations show that when a large galaxy collides with one
10 or 100 times less massive, it tears the smaller one apart. The
stars themselves survive, though, even if their galaxy doesn't. Their
orbits disrupted, they slosh around the larger galaxy, ending up in
shells that line its periphery. Following the merger, the galaxies are
thought to become lenticular, a state of transition between the more
typical spiral and elliptical shapes.
…Read more
Less…