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1. • 

     universetoday.com

     • Seen here on November 12, 2015, during its last apparition, Comet 67P/Churyumov-Gerasimenko returns in late 2021 for another go-round.
     skyandtelescope.org/astronomy-news/comet-watch-2021/

     Comet Watch 2021 - Sky & Telescope

2. People also ask

   What is the brightest comet of 2021?

   • Comet C/2021 A1 – better known as Leonard – will be a sight to behold for stargazers and it is predicted to be the brightest comet of 2021. Leonard has been on an incredible 35,000-year journey across deep space to get to us, and will not be back in our solar system for another 80,000 years (provided it doesn’t get too close to the sun).

   Where is Comet Leonard now and how to see it at its brightest point

   metro.co.uk/2021/12/11/comet-leonard-where-is-it-now-and-how-to-see-it-at-its-brightest-point-15752749/

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   What is Comet c/2021 A1 (Leonard)?

   • Officially known as Comet C/2021 A1 (Leonard), Comet Leonard was discovered in January by astronomer Gregory J. Leonard of the Mount Lemmon Infrared Observatory in Arizona. On Sunday, it passed Earth at a range of 21 million miles (34 million km), but is still not visible to the unaided eye, according to EarthSky.org.

   Comet Leonard is at its closest to Earth right now. Here's how to spot

   www.space.com/comet-leonard-closest-to-earth

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   When will a comet c/2021 A1 reach perihelion?

   • The newfound comet C/2021 A1 (Leonard) will reach perihelion, its closest point to the sun, on Jan. 3, 2022. (Image credit: NASA/JPL) The other reasons for expecting a bright show from this comet are its close approaches to both the Earth and the sun.

   Newfound Comet Leonard will blaze into view this year | Space

   www.space.com/newfound-comet-leonard-visible-2021

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   Where was Comet c/2021 A1 filmed?

   • The featured image of Comet C/2021 A1 (Leonard) was taken a week ago from California, USA. The deep exposure shows in great detail the comet's green gas coma and developing dust tail. The comet -- across our inner Solar System and only light-minutes away -- was captured passing nearly in front of globular star cluster M3.

   APOD: 2021 December 12 - Comet Leonard Before Star Cluster M3

   apod.nasa.gov/apod/ap211212.html

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   When will a Comet's Peak be brighter in 2021?

   • "Depending on the dust and gas, the modeled peak brightness is expected to be around Dec. 13 or 14, 2021, about 1 to 2 days after its closest to the Earth," NASA wrote in its guide. "If the comet is giving off a lot of dust, this should make the peak brighter due to forward scattering which could shift the peak later toward Dec.14."

   Comet Leonard is at its closest to Earth right now. Here's how to spot

   www.space.com/comet-leonard-closest-to-earth

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   When will a comet reach the Sun?

   • The comet is still falling inward toward the sun and will make its closest sun approach on Jan. 3, 2022. "Depending on the dust and gas, the modeled peak brightness is expected to be around Dec. 13 or 14, 2021, about 1 to 2 days after its closest to the Earth," NASA wrote in its guide.

   Comet Leonard is at its closest to Earth right now. Here's how to spot

   www.space.com/comet-leonard-closest-to-earth

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3. www.space.com › comet-leonard-closest-to-earthComet Leonard is at its closest to Earth right now. Here's ...

   www.space.com › comet-leonard-closest-to-earth

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   Dec 13, 2021 · This NASA sky map shows the location of Comet Leonard in the night sky from Dec. 14 to Dec. 25 in 2021. (Image credit: NASA/JPL-Caltech) On Sunday (tonight), Comet Leonard can be...

   • Newfound Comet Leonard will blaze into view this year | Space

     The newfound comet C/2021 A1 (Leonard) will make its closest...

4. www.space.com › comet-leonard-broke-up-piecesComet Leonard has broken into pieces as it rounds the sun ...

   www.space.com › comet-leonard-broke-up-pieces

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   Mar 22, 2022 · The brightest comet of 2021 has disintegrated, according to EarthSky. An icy wanderer known as Comet Leonard (C/2021 A1) fell apart during its perihelion, or closest approach to the sun,...

5. Videos

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     1:11

     youtube.com

     80,000-Year Comet Dazzles The Skies | World News | English News | WION

     12 Oct 2024

     6.4K views

   • 

     18:00

     youtube.com

     Comet A3 Tsuchinshan-ATLAS makes its closest approach to Earth (14 to 20 October 2024)

     13 Oct 2024

     3K views

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     science.nasa.gov

     Apophis - NASA Science

     28 Sep 2023

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6. metro.co.uk › 2021/12/11 › comet-leonard-where-is-itComet Leonard: Where is it now and how to see it at its ...

   metro.co.uk › 2021/12/11 › comet-leonard-where-is-it

   • Cached

   Dec 11, 2021 · After passing the Earth, Comet Leonard will swing by Venus on December 18, coming closer to the planet than any previously documented comet, within 4 million kilometres.

   • Author: Andrew Gaudion

7. www.independent.co.uk › space › comet-leonardAstonishing bright green comet is visible to the naked eye

   www.independent.co.uk › space › comet-leonard

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   Dec 10, 2021 · The comet will be most visible on 12 December but will disappear as it reaches closer post that date, due to its proximity to the Sun.

8. www.space.com › newfound-comet-leonard-visible-2021Newfound Comet Leonard will blaze into view this year | Space

   www.space.com › newfound-comet-leonard-visible-2021

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   Mar 2, 2021 · The newfound comet C/2021 A1 (Leonard) will make its closest approach to Earth on Dec. 12, 2021. (Image credit: NASA/JPL) A new comet is on its way in toward the sun, with prospects that it...

9. apod.nasa.gov › apod › ap211212APOD: 2021 December 12 - Comet Leonard Before Star Cluster M3

   apod.nasa.gov › apod › ap211212

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   Explanation: Comet Leonard is now visible to the unaided eye -- but just barely. Passing nearest to the Earth today, the comet is best seen this week soon after sunset, toward the west, low on the horizon.

10. en.wikipedia.org › wiki › CC/2021 A1 (Leonard) - Wikipedia

    en.wikipedia.org › wiki › C

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    After perihelion, the comet will be ejected from the Solar System. The barycentric orbit will remain hyperbolic after September 2022. [2] On 12 December 2021 the comet was 0.233 AU (34.9 million km) from Earth and on 18 December 2021 it was 0.0285 AU (4.26 million km) from Venus. [3]