File:Interstellar Comet 2I-Borisov (Hubble) (2022-008-01FSZ63379J56JTQMGECTHJQFV).tiff
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DescriptionInterstellar Comet 2I-Borisov (Hubble) (2022-008-01FSZ63379J56JTQMGECTHJQFV).tiff |
English: This Hubble Space Telescope image of 2I/Borisov shows the first observed rogue comet, a comet from interstellar space that is not gravitationally bound to a star. It was discovered in 2019 and is the second identified interstellar interloper, after 'Oumuamua. 2I/Borisov looks a lot like the traditional comets found inside our solar system, which sublimate ices and cast off dust as they are warmed by the Sun. The wandering comet provided invaluable clues to the chemical composition, structure, and dust characteristics of planetary building blocks presumably forged in an alien star system. It’s rapidly moving away from our Sun and will eventually head back into interstellar space, never to return. |
Date | 16 February 2022 (upload date) |
Source | Interstellar Comet 2I/Borisov (Hubble) |
Author | IMAGE: NASA, ESA, David Jewitt (UCLA) IMAGE PROCESSING: Joseph DePasquale (STScI) |
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ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
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Attribution: ESA/Hubble
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current | 22:48, 2 April 2023 | 1,106 × 1,106 (2.1 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://stsci-opo.org/STScI-01FVMGZ4671A6N1Y1SV6M5PYTZ.tif via Commons:Spacemedia |
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Image title | No one knows where it came from. No one knows how long it has been drifting through the empty, cold abyss of interstellar space. But this year an object called comet 2I/Borisov came in from the cold. It was detected falling toward our Sun by a Crimean amateur astronomer. This emissary from the black unknown captured the attention of worldwide astronomers who aimed all kinds of telescopes at it to watch the comet sprout a dust tail. The far visitor is only the second known object to enter our solar system coming from elsewhere in the galaxy, based on its trajectory. Like a race track photographer trying to capture a speeding derby horse, Hubble took a series of snapshots as the comet streaked along at 110,000 miles per hour. Hubble provided the sharpest image ever of the fleeting comet, revealing a central concentration of dust around an unseen solid icy nucleus. The comet was 260 million miles from Earth when Hubble took the photo.In 2017, the first identified interstellar visitor, an object dubbed 'Oumuamua, swung within 24 million miles of the Sun before racing out of the solar system. Unlike comet 2I/Borisov, 'Oumuamua still defies any simple categorization. It did not behave like a comet, and it has a variety of unusual characteristics. Comet 2I/Borisov looks a lot like the traditional comets found inside our solar system, which sublimate ices, and casts off dust as they are warmed by the Sun. The wandering comet provides invaluable clues to the chemical composition, structure, and dust characteristics of a planetary building block presumably forged in an alien star system. |
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Author | Space Telescope Science Institute Office of Public Outreach |
Width | 1,106 px |
Height | 1,106 px |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 79 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CC 2019 (Macintosh) |
File change date and time | 22:53, 14 October 2019 |
Exif version | 2.21 |
Date and time of digitizing | 12:22, 13 October 2019 |
Color space | Uncalibrated |