By Patrick Moore
By Carl Sagan
By Giles Sparrow
By Clark, Stuart
By Robin Scagell, David Frydman
By Gribbin, John
By Shepard, Alan, Slayton, Deke, Barbree, Jay, Benedict, Howard
By Menzel, Donald Howard
By Scagell, Robin, Kindersley Dorling
By McDonough, Thomas R.
By Royal Observatory Greenwich, Collins Astronomy, Moore, Sir Patrick
By Philip's Maps
By Consolmagno, Guy
By Emerson, D.
By Patrick Moore, Sir, Moore, Sir Patrick
By Tonkin, Stephen
By Panek, Richard
By Moore, Sir Patrick
By Will Gater, Giles Sparrow
By Moore, CBE DSc FRAS Sir Patrick
By Brian Jones
By Muirden, James
By Kerrod, Robin
By Bramley, Chris
By Philip's
By Carolyn Collins Petersen, John C. Brandt
By Levy, David H.
By Pasachoff, Jay M., Covington, Michael A.
By P.M. Mather