It has been revealed the Ford Galaxy van had driven into Water Street when a road block was temporarily lifted so paramedics could help a man suffering from a suspected heart attack.

"Dark matter is apparently not a requirement for forming a galaxy," van Dokkum told Space.com by email. [Gallery: 65 All-Time Great Galaxy Hits] Dark matter is a form of matter whose presence is ...

Then, van der Marel and his team averaged those observations and calculated Andromeda’s rotation rate for the first time, as well as making new calculations of the galaxy’s side-to-side movement.