File:PIA21468 - TRAPPIST-1 Planets - Flyaround Animation.ogv
原始文件 (Ogg多工声音/视频文件,Theora/Vorbis,长度1分10秒,1,280 × 720像素,共1.2 Mbps,文件大小:10.05 MB)
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摘要
[编辑]描述PIA21468 - TRAPPIST-1 Planets - Flyaround Animation.ogv |
English: This video depicts artist's concepts of each of the seven planets orbiting TRAPPIST-1, an ultra-cool dwarf star. Over 21 days, NASA's Spitzer Space Telescope measured the drop in light as each planet passed in front of the star. Spitzer was able to identify a total of seven rocky worlds, including three in the habitable zone where life is possible. The study established the planets' size, distance from their sun and, for some of them, their approximate mass and density. It also established that some, if not all, these planets are tidally locked, meaning one face of the planet permanently faces their sun.
The planets appear in the order of innermost to outermost planets. These artist's concepts were designed as follows: TRAPPIST-1b, closest to the star, was modeled on Jupiter's moon Io, which has volcanic features due to strong gravitational tugs. TRAPPIST-1c is shown as a rocky, warm world with a small ice cap on the side that never faces the star. TRAPPSIT-1d is rocky and has water only in a thin band along the terminator, dividing the day side and night side. TRAPPIST-1e and TRAPPIST-1f are both shown covered in water, but with progressively larger ice caps on the night side. TRAPPIST-1g is portrayed with an atmosphere like Neptune's, although it is still a rocky world. The farthest planet, TRAPPIST-1h, is shown as covered in ice, similar to Jupiter's icy moon Europa. The background stars are what you would see if you were in the TRAPPIST-1 system. Orion passes behind the planets, recognizable but distorted from what we're familiar with, in addition to Taurus and Pleiades. NASA's Jet Propulsion Laboratory, Pasadena, California, manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate, Washington. Science operations are conducted at the Spitzer Science Center at Caltech, also in Pasadena. Spacecraft operations are based at Lockheed Martin Space Systems Company, Littleton, Colorado. Data are archived at the Infrared Science Archive housed at Caltech/IPAC. Caltech manages JPL for NASA. For more information about the Spitzer mission, visit http://www.nasa.gov/spitzer and http://spitzer.caltech.edu. |
日期 | 22 February 2017 (published 22 February 2017) |
来源 | Catalog page · Full-res (MP4) |
作者 | NASA/JPL-Caltech |
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This media is a product of the Spitzer Space Telescope Credit and attribution belongs to the mission team, if not already specified in the "author" row |
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[编辑]Public domainPublic domainfalsefalse |
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本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zh、NASA版权方针页面或JPL图片使用方针。) | ![]() |
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以下17个页面使用本文件:
- Commons:WikiProject Aviation/recent uploads/2017 February 23
- File:PIA21468 - TRAPPIST-1 Planets - Flyaround Animation.ogg(文件重定向)
- File:TRAPPIST-1c Artist's Impression.png
- File:TRAPPIST-1d Artist's Impression.png
- File:TRAPPIST-1b Artist's Impression.png
- File:TRAPPIST-1g Artist's Impression.png
- File:TRAPPIST-1e Artist's Impression.png
- File:TRAPPIST-1f Artist's Impression.png
- File:TRAPPIST-1h Artist's Impression.png
- Commons:WikiProject Aviation/recent uploads/2017 February 23
- File:TRAPPIST-1b Artist's Impression.png
- File:TRAPPIST-1c Artist's Impression.png
- File:TRAPPIST-1d Artist's Impression.png
- File:TRAPPIST-1e Artist's Impression.png
- File:TRAPPIST-1f Artist's Impression.png
- File:TRAPPIST-1g Artist's Impression.png
- File:TRAPPIST-1h Artist's Impression.png
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简短标题 | TRAPPIST-1 Planets - Flyaround Animation |
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语言 | 未知语言 |