Murdin, Paul
Secrets of the universe: how we discovered the cosmos
Thames & Hudson, 2009
Buku Referensi
Goldsmith, Donald
The Run away universe : the race to find the future of the cosmos
Perseus Books, 2000
Buku Teks SO
A short history
Buku Teks
Stokes, William Lee, 1915-
Essentials of earth history
Prentice-Hall, 1982
Buku Teks
The world we live in volume 3 : the earth and the universe / editors, Lincoln Barnett
Time Incorporated, 1962
Buku Teks