Íomhá:8423_20181_1saturn2016.jpg
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Taispeáin leagan ardtaifigh den íomhá (2,012 × 1,024 picteilín, méid comhaid: 555 KB, cineál MIME: image/jpeg)
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Seo comhad as An Cómhaoin Viciméid. Tá an tuairisc as an leathanach tuairisc Cómhaoin a leanas thíos.
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Achoimriú
Tuairisc8423 20181 1saturn2016.jpg |
Since NASA's Cassini spacecraft arrived at Saturn in mid-2004, the planet's appearance has changed greatly. The shifting angle of sunlight as the seasons march forward has illuminated the giant hexagon-shaped jet stream around the north polar region, and the subtle bluish hues seen earlier in the mission have continued to fade. Earlier views obtained in 2004 and 2009 (see PIA06077 and PIA11667) demonstrate how drastically the illumination has changed. This view shows Saturn's northern hemisphere in 2016, as that part of the planet nears its northern hemisphere summer solstice in May 2017. Saturn's year is nearly 30 Earth years long, and during its long time there, Cassini has observed winter and spring in the north, and summer and fall in the south. The spacecraft will complete its mission just after northern summer solstice, having observed long-term changes in the planet's winds, temperatures, clouds and chemistry. Cassini scanned across the planet and its rings on April 25, 2016, capturing three sets of red, green and blue images to cover this entire scene showing the planet and the main rings. The images were obtained using Cassini's wide-angle camera at a distance of approximately 1.9 million miles (3 million kilometers) from Saturn and at an elevation of about 30 degrees above the ring plane. The view looks toward the sunlit side of the rings from a sun-Saturn-spacecraft angle, or phase angle, of 55 degrees. Image scale on Saturn is about 111 miles (178 kilometers) per pixel. The exposures used to make this mosaic were obtained just prior to the beginning of a 44-hour movie sequence (see PIA21047). The Cassini Solstice Mission is a joint United States and European endeavor. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colo. For more information about the Cassini Solstice Mission visit http://ciclops.org, http://www.nasa.gov/cassini and http://saturn.jpl.nasa.gov. עברית: כוכב הלכת החיצוני שבתאי. |
Dáta | Released: September 15, 2016 (PIA 21046) |
Foinse | http://www.ciclops.org/view/8423/Saturn-Approaching-Northern-Summer |
Údar | Credit: NASA/JPL-Caltech/SSI |
Ceadúnú
Public domainPublic domainfalsefalse |
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Chruthaigh NASA an comhad seo, agus tógadh as suíomh Greasáin NASA nó foilseachán NASA é. Tá gach saothar den saghas sin sa fearann poiblí ach amháin an suaitheantas NASA, mar ní féidir saothair de chuid rialtas cónaidhme Stáit Aontaithe Mheiriceá a chur faoi chóipcheart. Féach ar an leathanach pholasaí cóipchirt NASA nó an leathanach pholasaí íomhanna JPL le tuilleadh eolais. | ![]() |
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Rabhaidh:
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Original upload log
Dáta/Am | Toisí | Úsáideoir | Nóta tráchta |
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2016-10-25 16:26:26 | 2012× 1024× | Fotaun | {{PD-NASA}} http://www.ciclops.org/view/8423/Saturn-Approaching-Northern-Summer Since NASA's Cassini spacecraft arrived at Saturn in mid-2004, the planet's appearance has changed greatly. The shifting angle of sunlight as the seasons march forward has... |
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Dáta/Am | Mionsamhail | Toisí | Úsáideoir | Nóta tráchta | |
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faoi láthair | 03:13, 14 Nollaig 2016 | ![]() | 2,012 × 1,024 (555 KB) | FastilyClone | Transferred from en.wikipedia (MTC!) |
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Leithead | 2,012 px |
Airde | 1,024 px |
Gíotáin sa chomhpháirt |
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Scéim comhbhrúite | Neamh-chomhbhrúite |
Comhbhrú picteilíní | RGB |
Treoshuíomh | Gnáth |
Líon na gcomhpháirt | 3 |
Taifeach íomhá i dtreo an leithid | 100 dpi |
Taifeach íomhá i dtreo an airde | 100 dpi |
Eagar na sonraí | Formáid shmutánach |
Na bogearraí a úsáideadh | Adobe Photoshop CS6 (Macintosh) |
Dáta agus am athrú an chomhaid | 17:06, 14 Meán Fómhair 2016 |
Dathspás | Uncalibrated |
Dáta agus am digitithe | 09:42, 14 Meán Fómhair 2016 |
Date metadata was last modified | 10:06, 14 Meán Fómhair 2016 |
Unique ID of original document | xmp.did:018011740720681183D1E578F599C4C0 |