They can image its position from the radio waves; http://www.eurekalert.org/pub_releases/2013-09/nrao-v1s091213.php http://www.eurekalert.org/pub_releases/2013-

They can image its position from the radio waves; http://www.eurekalert.org/pub_releases/2013-09/nrao-v1s091213.php http://www.eurekalert.org/pub_releases/2013-09/nrao-v1s09121...