Galaxy cluster's 'starburst' surprises astronomers
NEWS SCIENCE AND ENVIROMENT
15 August 2012 Last updated at 18:40
Astronomers have seen a huge galaxy cluster doing what until now was only theorised to happen: making new stars.
Most galaxy clusters - the largest structures in the Universe - are "red and dead", having long since produced all the stars they can make.
But cluster formation should, according to theory, include a cooling phase, resulting in blue light from new stars.
- Read more about Galaxy cluster's 'starburst' surprises astronomers
- Log in or register to post comments