Mysterious Arc of Venus hoped to appear during transit

Tweet Washington, June 5 (ANI): An armada of spacecraft and ground-based telescopes will be on the lookout for something elusive and, until recently, unexpected, when Venus transits the sun on June 5th and 6th. Astronomers are all set to observe The Arc of Venus using 9 coronagraphs spaced around the world. "I was flabbergasted when I first saw it during the 2004 transit. A bright, glowing rim appeared around the edge of Venus soon after it began to move into the sun," recalled astronomy professor Jay Pasachoff of Williams College. For a brief instant, the planet had turned into a "ring of fire." Researchers now understand what happened. Backlit by the sun,...