Event record
Halley’s comet reaches the closest point to the earth since 1837, only 22 million km off.
- Updated
- 30 Sep 2019
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- 01Wallis, F. (2000). Nuusdagboek: feite en fratse oor 1000 jaar, Kaapstad: Human & Rousseau
- 02https://www.geocities.com/
Last updated · 30 Sep 2019
South African History Online. (2012, May 18). Halley’s comet reaches the closest point to the earth since 1837, only 22 million km off.. South African History Online. https://sahistory.org.za/ref/E-0083640
South African History Online (2012) 'Halley’s comet reaches the closest point to the earth since 1837, only 22 million km off.', South African History Online, 18 May. Available at: https://sahistory.org.za/ref/E-0083640 (Accessed: 13 September 2026).
South African History Online, Halley’s comet reaches the closest point to the earth since 1837, only 22 million km off. [website], https://sahistory.org.za/ref/E-0083640, (accessed 13 September 2026).
"Halley’s comet reaches the closest point to the earth since 1837, only 22 million km off.." South African History Online, 18 May 2012, https://sahistory.org.za/ref/E-0083640. Accessed 13 Sept. 2026.
South African History Online. "Halley’s comet reaches the closest point to the earth since 1837, only 22 million km off.." South African History Online. May 18, 2012. https://sahistory.org.za/ref/E-0083640.
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