Astronomers discover echoes from expansion after Big Bang


Photo  / 2

The 10-meter South Pole Telescope and the BICEP (Background Imaging of Cosmic Extragalactic Polarization) Telescope at Amundsen-Scott South Pole Station is seen against the night sky with the Milky Way in this National Science Foundation picture taken in August, 2008. REUTERS/Keith Vanderlinde/National Science Foundation/Handout