... in size from a few light years to a thousand light years across. Maps of the three concentric bubbles in the M33 galaxy show that as the bubbles grow in size around the star cluster, the speed of expansion decreases...
... was given the snappy title ‘AGESM33-31’. This cloud is very large and if it is located at the same distance as M33, it is as large as M33 itself (almost 6000 light years across!). AGESM33-31 has a small amount of rotation and it appears to be moving...
... as M31), seen in the lower left of the image, while below Andromeda is its satellite, the Triangulum galaxy (M33). As those involved reflected on the challenges and the highlights that the mission has encountered so far, Dr Clementini...