Probing Dark Energy

20 Aug 2010

At August 19th (NASA newsletter) ... claims astronomers hav e devised a method to measure dark energy - the mysterious force purported to be pushing the universe apart at an ever increasing speed. They homed in on a huge cluster of galaxies at the extreme point of vision of the Hubble Space Telescope and they hope to be able to calculate the speed of energy involved - accurately. In turn, they hope this will eventually lead to an explanation of what dark energy actually is.