Hubble Helps Illuminate Dark Energy Mystery

摘要

By peering at the distant reaches of the universe through a galactic magnifying lens, astronomers may have found a way to better understand dark energy, which is thought to be speeding up the expansion of the cosmos.rnThough scientists do not know what dark energy is - nor have they proved definitively that it exists - they think it is the force causing galaxies to stray away from each other at an ever-quickening pace.