File:Comet 2I-Borisov (2019-53-4578).tif
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[edit]DescriptionComet 2I-Borisov (2019-53-4578).tif |
English: Hubble's View of Interstellar Comet 2I/Borisov |
Date | 16 October 2019 (upload date) |
Source | Comet 2I/Borisov |
Author | , , and D. Jewitt (UCLA) |
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[edit]Public domainPublic domainfalsefalse |
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag. |
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current | 11:52, 25 August 2023 | 1,106 × 1,106 (2.1 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://stsci-opo.org/STScI-01EVSV5X1M6CZKJHN45E9REX8A.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 |
Color space | Uncalibrated |
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16 October 2019
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2,197,638 byte
1,106 pixel
1,106 pixel
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