File:Alien sunset.jpg
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Summary
DescriptionAlien sunset.jpg |
English: Our solitary sunsets here on Earth might not be all that common in the grand scheme of things. New observations from NASA's Spitzer Space Telescope have revealed that mature planetary systems -- dusty disks of asteroids, comets and possibly planets --are more frequent around close-knit twin, or binary, stars than single stars like our sun. That means sunsets like the one portrayed in this artist's photo concept, and more famously in the movie "Star Wars," might be quite commonplace in the universe.
Binary and multiple-star systems are about twice as abundant as single-star systems in our galaxy, and, in theory, other galaxies. In a typical binary system, two stars of roughly similar masses twirl around each other like pair-figure skaters. In some systems, the two stars are very far apart and barely interact with each other. In other cases, the stellar twins are intricately linked, whipping around each other quickly due to the force of gravity |
Date | |
Source | http://www.nasa.gov/mission_pages/spitzer/multimedia/doublesunset.html |
Author | NASA/JPL-Caltech |
Licensing
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Items portrayed in this file
depicts
1 December 2002
image/jpeg
5be964fae4ef7b4bd59a20dbcf2e149f10360ba2
821,784 byte
2,000 pixel
3,000 pixel
File history
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Date/Time | Dimensions | User | Comment | |
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current | 08:29, 22 September 2012 | 3,000 × 2,000 (803 KB) | Stas1995 | User created page with UploadWizard |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D100 |
Exposure time | 1/500 sec (0.002) |
F Number | f/11 |
Date and time of data generation | 17:41, 1 December 2002 |
Lens focal length | 85 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS3 Macintosh |
File change date and time | 15:42, 16 March 2007 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 17:41, 1 December 2002 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 90 |
DateTimeOriginal subseconds | 90 |
DateTimeDigitized subseconds | 90 |
Supported Flashpix version | 1 |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 127 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Width | 3,000 px |
Height | 2,000 px |
Pixel composition | RGB |
Number of components | 3 |
Supported Flashpix version | 0,100 |
Image width | 3,000 px |
Image height | 2,000 px |
Bits per component |
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Date metadata was last modified | 08:42, 16 March 2007 |
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