For more information about the origins of the Earth we recommend the following publications and websites

Burger, W.C. (2002). Perfect Planet, Clever Species: How Unique Are We? Prometheus Books, Amherst, New York. 345 pp. ISBN-10: 1591020166, ISBN-13: 978-1591020165.

Davies, P. (2008). The Goldilocks Enigma. Why is the Universe Just Right for Life? London: Mariner Books, reprint edition. 315 pp. ISBN-10: 0547053584, ISBN-13: 978-0547053585.

Lamb, S. & Sington, D. (1998). Earth Story. The Forces that have Shaped Our Planet. New Jersey, USA: Princeton University Press. 240 pp. ISBN-10: 0691002290, ISBN-13: 978-0691002293.

Zalasiewicz, J. & Williams, M. (2013). The Goldilocks Planet: The 4 billion year story of Earth’s climate. Oxford: Oxford University Press. ISBN-10: 0199683506, ISBN-13: 978-0199683505.

Visit the following webpages

https://nightskypix.com/facts-about-the-moon/

 http://www.psi.edu/epo/moon/moon.html

 https://en.wikipedia.org/wiki/Giant-impact_hypothesis

 https://en.wikipedia.org/wiki/Impact_event