ALESS 073.1 is an old spiral galaxy 12 billion light years away from Earth. The discovery was published in February 2021 in the journal Science. It has...
6 KB (586 words) - 20:41, 21 November 2024
IRAM 30 Meter Telescope, the largest millimetric telescope in the world ALESS 073.1 Vanden Bout, Paul A.; Dickman, Robert L.; Plunkett, Adele L. (2023)....
43 KB (4,052 words) - 15:11, 15 May 2025
significant scientific events that occurred or were scheduled to occur in 2021. 1 July Construction begins on the Square Kilometre Array, with first light planned...
299 KB (38,958 words) - 16:36, 20 May 2025
The asteroid was moving at an on-sky rate of 1.15 arcseconds per minute, from a distance of 0.656 AU (98.1 million km; 61.0 million mi) from Earth. The...
9 KB (748 words) - 03:56, 7 October 2024
16:03 UTC from a closest approach distance of 0.0135 AU (2.02 million km; 1.25 million mi), or 5.25 lunar distances (LD). During the day before closest...
15 KB (1,373 words) - 23:16, 25 January 2024
"retained primitive, great ape-like organization of the frontal lobe" until ~1.5 million years ago and therefore long after Homo emerged and first dispersed...
126 KB (11,774 words) - 16:10, 22 May 2025
highly eccentric orbit in 2.24 years. 2021 SG is an Apollo asteroid with a 1.71 AU semimajor axis, and a 0.473 AU perihelion (near Mercury at perihelion)...
5 KB (239 words) - 04:04, 7 October 2024
December 2019 by the Mount Lemmon Survey in Arizona, United States. It passed 1.493 lunar distances (574,000 km; 357,000 mi) from Earth on 9 November 2021...
8 KB (586 words) - 16:20, 23 April 2024
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 open-access...
138 KB (13,101 words) - 19:35, 14 May 2025
February 2021 by the Pan-STARRS 1 survey at Haleakala Observatory, Hawaii. On 4 March 2021 at 8:59 UTC, it passed 1.48 LD (570,000 km; 350,000 mi) from...
6 KB (312 words) - 03:57, 7 October 2024