2021 GW4 is an Apollo near-Earth object roughly 5 meters (20 feet) in diameter. It was discovered by the Mount Lemmon Survey on 8 April 2021. On 12 April...
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significant events in science that have occurred in the first quarter of 2021. 1 January – Beginning of the implementation of Plan S, an initiative for...
139 KB (13,110 words) - 18:53, 28 August 2024
significant events in science that have occurred in the second quarter of 2021. 2 April – Scientists report that the event that caused the mass-extinction...
126 KB (11,867 words) - 18:51, 28 August 2024
2021 AV7 is a near-Earth asteroid of the Apollo group, discovered by astronomers Alain Maury and G. Attard at San Pedro de Atacama, Chile on 15 January...
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significant scientific events that occurred or were scheduled to occur in 2021. 1 July Construction begins on the Square Kilometre Array, with first light...
299 KB (39,014 words) - 18:55, 28 August 2024
"JPL Small-Body Database Browser: (2021 GW4)". Jet Propulsion Laboratory. Retrieved 30 October 2021. "2021 GW4". Minor Planet Center. International...
131 KB (5,583 words) - 17:40, 28 April 2024
Earth during 2021. "2021 SG". Minor Planet Center. International Astronomical Union. Retrieved 11 December 2021. "MPEC 2021-S24 : 2021 SG". Minor Planet...
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2021 DW1 is a small Apollo near-Earth asteroid discovered on 16 February 2021 by the Pan-STARRS 1 survey at Haleakala Observatory, Hawaii. On 4 March...
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March 2015. Nicole BAUDARD DE FONTAINE. "Michael CHODZKO – Family tree". Gw4.geneanet.org. Retrieved 15 February 2014. Room, Adrian (10 January 2014)...
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Japan Times. Retrieved 26 January 2021. Bristol, University of. "February: GW4 Isambard - News and features - University of Bristol". www.bristol.ac.uk...
10 KB (785 words) - 17:13, 23 April 2024