Professor in Astrophysics and Director of Space Technology and Industry Institute at @Swinburne
Oct 6, 2019 • 9 tweets • 4 min read
Can it be called news if it’s billions of years from happening? Actually the new result is the gorgeous discovery by @Sydney_Uni of 2 previous galaxy collisions in Andromeda’s past making it even larger for the one with us!
The infalling smaller galaxies into Andromeda arrived in two vastly different directions, which is a prediction of the cosmic web where galaxies and gas flow along filaments into intersection points or nodes - and those nodes contain galaxies like Andromeda!
