By Ian Nicolson, Chris Cooper, Pam Spence, carole stott
By Dashner, James
By Smoot, George, Davidson
By Atkinson, Austen
By Gott, Richard
By Mann, Alfred K.
By Brandenburg, John, Rix Paxson, Monica
By Hoyle, Fred, Wickramasinghe, Chandra
By Pickover, Clifford A.
By CBE DSc FRAS Sir Patrick Moore, Moore, CBE DSc FRAS Sir Patrick
By Challoner, Jack, Jack Challoner
By Smart, W. M., Green, R. M.
By John Gribbin, Gribbin, John
By Battaner, E.
By Norton, Arthur P., etc.
By Geddes, Linda
By Carroll, Sean
By I.L, Buchbinder;
By Kane, Gordon, Witten, Edward
By Man, John
By Patricia Whitehouse
By Sagan, Carl, Druyan, Ann
By Gribbin, John, White, Michael
By Neil Degrasse Tyson
By Nahin, Paul J.
By Lorenz, Ralph D.
By Malo, Toomi, Panda, Pirate
By Crump, Thomas
By Carroll, Bradley W., Ostlie, Dale A.