File:Comet blast from the past.jpg

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Summary

Description
English: This pair of NASA/ESA Hubble Space Telescope images of comet C/2019 Y4 (ATLAS), taken on April 20 and April 23, 2020, reveal the breakup of the solid nucleus of the comet. Hubble photos identify as many as 30 separate fragments. The comet was approximately 146 million kilometres from Earth when the images were taken. The comet may be a broken off piece of a larger comet that swung by the Sun 5,000 years ago.  The comet has been artificially colored in this view to enhance details for analysis. In a new study using Hubble’s observations, astronomer Quanzhi Ye of the University of Maryland in College Park, reports that ATLAS is a broken-off piece of that ancient visitor from 5,000 years ago. This is because ATLAS follows the same orbital "railroad track" as that of a comet seen in 1844. This means the two comets are probably siblings from a parent comet that broke apart many centuries earlier. The link between the two comets was first noted by amateur astronomer Maik Meyer.
Date
Source https://esahubble.org/images/opo2131a/
Author NASA, ESA, STScI, Quanzhi Ye (UMD), Alyssa Pagan (STScI)

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Captions

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depicts

C/2019 Y4 (ATLAS)

inception

19 August 2021

media type

image/jpeg

checksum

681fe4a716eb679b7f03025d10511efd604ab9d5

determination method: SHA-1

data size

306,265 byte

height

736 pixel

width

2,504 pixel

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current15:19, 24 August 2021Thumbnail for version as of 15:19, 24 August 20212,504 × 736 (299 KB)PandreveUploaded a work by NASA, ESA, STScI, Quanzhi Ye (UMD), Alyssa Pagan (STScI) from https://esahubble.org/images/opo2131a/ with UploadWizard
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