Jack Oughton - Einstein, Hubble and the Expanding Universe
Jack Oughton - Einstein, Hubble and The Expanding Universe.doc
Advertising from Space: A Real Danger ? (La Serena, 6 March 2002) André HECK Strasbourg Astronomical Observatory.
A human history of Cosmology Dr Andrew French. April 2015.
Homer: The Odyssey (Volume A). Homer (8th century B.C.E. )
