Hanny's Voorwerp
@HannysVoorwerp
Mysterious huge gascloud, discovered by @hannyvanarkel on @galaxyzoo! (Tweets with help of the Zooniverse people I follow).
ID:138538598
29-04-2010 20:59:49
79 Tweets
358 Followers
5 Following
Even after AGN switches off, large scale ionization nebulae like Hanny's Voorwerp last 10-100 kyr
Woop woop! Department of Physics at University of Oxford has this picture of me showing! (This picture by chrislintott)
Nearest galaxy to .Hanny's Voorwerp probably went through a changing look quasar phase many years ago #oh4atimemachine #aass227