Astronomy Star HR 4796A Encircled By Vast, Complex Dust Structure About 150 Billion Miles AcrossMessageToEagle.com | March 10, 2018 MessageToEagle.com – Astronomers have used NASA’s Hubble Space Telescope to uncover a vast, complex dust structure, about 150 billion miles across, enveloping the young star HR 4796A. A bright, Read More