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Sažetak
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English: About This Image
HUBBLE'S VIEW OF INTERSTELLAR COMET 2I/BORISOV https://hubblesite.org/contents/media/images/2019/53/4578-Image NASA's Hubble Space Telescope has given astronomers their best look yet at an interstellar visitor – comet 2I/Borisov – whose speed and trajectory indicate it has come from beyond our solar system. Hubble photographed the comet at a distance of 260 million miles from Earth. This Hubble image, taken on October 12, 2019, is the sharpest view to date of the comet. Hubble reveals a central concentration of dust around the nucleus (which is too small to be seen by Hubble). The comet is falling toward the Sun and will make its closest approach on December 7, 2019, when it will be twice as far from the Sun as Earth. The comet is following a hyperbolic path around the Sun and will exit back into interstellar space. Comet 2I/Borisov is only the second such interstellar object known to have passed through the solar system. In 2017, the first identified interstellar visitor, an object formally named 'Oumuamua, swung within 24 million miles of the Sun before racing out of the solar system. Color Info These images are a composite of separate exposures acquired by the WFC3 instrument on the Hubble Space Telescope. The color results from assigning the color blue to a monochromatic (grayscale) image. |
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| Izvor | https://imgsrc.hubblesite.org/hvi/uploads/image_file/image_attachment/31897/STSCI-H-p1953a-f-1106x1106.png | |||
| Autor | NASA, ESA, and D. Jewitt (UCLA) | |||
| Dopuštenje (Naknadna uporaba ove datoteke) |
Copyright information => https://hubblesite.org/copyright => "... no claim to copyright is being asserted by STScI and material on this site may be freely used as in the public domain in accordance with NASA's contract ..." | |||
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Licencija
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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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| Datum/Vrijeme | Minijatura | Dimenzije | Suradnik | Komentar | |
|---|---|---|---|---|---|
| sadašnja | 02:17, 17. listopad 2019. | | 803 × 602 (825 KB) | wikimediacommons>PhilipTerryGraham | File:Comet-2IBorisov-HubbleST-20191016.png cropped 27 % horizontally, 46 % vertically using CropTool with precise mode. |
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