C/2021 A1 (Leonard) - Wikipedia
C/2021 A1 (Leonard) was a long period comet [4] that was discovered by G. J. Leonard at the Mount Lemmon Observatory on 3 January 2021 (a year before perihelion) when the comet was 5 AU (750 million km) from the Sun. [1] It had a retrograde orbit. The nucleus was about 1 …
Comet Leonard's discoverer explains how the unusual object …
Dec 22, 2021 · Comet Leonard — the brightest and most anticipated comet of the year — was discovered by Gregory Leonard, a senior research specialist at the University of Arizona's Lunar and Planetary...
Comet Leonard in the evening sky - EarthSky
Dec 20, 2021 · Comet Leonard will round the sun at perihelion on January 3, 2022, at a distance of about 56 million miles (0.6 AU, or 90 million km). Comets are typically brightest around perihelion, and...
Comet Leonard (C/2021 A1) - TheSkyLive
Jan 1, 2013 · Comet Leonard (C/2021 A1) Position Calculator. Compute the position of Comet Leonard (C/2021 A1) for any date and time between 1 January 2013 and 30 December 2100 and visualize the results on an interactive sky map.
How to see Comet Leonard - The Planetary Society
Jan 10, 2022 · How to see Comet Leonard Keep an eye on the skies this month for a rare comet that's fading fast. Comet C/2021 A1 — a.k.a. Comet Leonard — will be visible for a little bit longer through mid-January.
See Comet Leonard at its Best - Sky & Telescope
Dec 3, 2021 · The year's brightest comet is now on display in the pre-dawn sky this week and next. Here's how to find Comet Leonard.
Comet Leonard puts on a final, spectacular display with ion tail …
Jan 5, 2022 · Comet Leonard is falling out of view, but not without putting on one last show. Discovered just a year ago, the comet, formally known as Comet C/2021 A1, made its closest approach to Earth on...
APOD: 2021 November 21 - Introducing Comet Leonard
Comet C/2021 A1 (Leonard) was discovered as a faint smudge in January 2021 when it was out past Mars -- but its orbit will take the giant shedding ice-ball into the inner Solar System, passing near both Earth and Venus in December before it swoops around the Sun in early January 2022.
Comet Leonard is at its closest to Earth right now. Here's how to …
Dec 13, 2021 · Comet Leonard, the brightest comet of the year, made its closest approach to Earth today (Dec. 12) and should be visible through binoculars and telescopes, weather permitting.
Views of Comet Leonard from Two Sun-Watching Spacecraft - NASA
Dec 21, 2021 · When Comet Leonard, a mass of space dust, rock and ice about a half-mile (1 kilometer) wide, makes its closest pass of the Sun on Jan. 3, 2022, it will be a journey 40,000 years in the making. Ahead of its close pass, two Sun-observing spacecraft captured these views of …