Robert H. McNaught A.N.U. reports that Comet 2011 W3 dust tail is 14.3 degrees long…. gas tail is perhaps 1 deg longer (30 Moon widths)!
Robert H. McNaught A.N.U. reports that Comet 2011 W3 dust tail is 14.3 degrees long…. gas tail is perhaps 1 deg longer (30 Moon widths)!