Clearest ever image of 'dark matter' at heart of distant galaxy cluster captured by Hubble | Mail Online

Clearest ever image of 'dark matter' at heart of distant galaxy cluster captured by Hubble | Mail Online: "By Daily Mail Reporter
Last updated at 10:38 AM on 15th November 2010



This picture is one of the sharpest and most detailed maps of dark matter in the universe.

Dark matter is an invisible and unknown substance that makes up the bulk of the mass in the cosmos.

A team from Nasa's Jet Propulsion Laboratory in California used the Hubble space telescope to chart the invisible matter in the massive galaxy cluster Abell 1689, located 2.2billion light years away.