Mynd:Blinded by the Light.jpg
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Lýsing
LýsingBlinded by the Light.jpg |
English: This artist's concept shows what a fiery hot star and its close-knit planetary companion might look close up if viewed in visible (left) and infrared light. In visible light, a star shines brilliantly, overwhelming the little light that is reflected by its planet. In infrared, a star is less blinding, and its planet perks up with a fiery glow.Astronomers using NASA's Spitzer Space Telescope took advantage of this fact to directly capture the infrared light of two previously detected planets orbiting outside our solar system. Their findings revealed the temperatures and orbits of the planets. Upcoming Spitzer observations using a variety of infrared wavelengths may provide more information about the planets' winds and atmospheric compositions.In this figure, the colors represent real differences between the visible and infrared views of the system. The visible panel shows what our eyes would see if we could witness the system close up. The hot star is yellow because, like our Sun, it is brightest in yellow wavelengths. The warm planet, on the other hand, is brightest in infrared light, which we can't see. Instead, we would see the glimmer of star light that the planet reflects.In the infrared panel, the colors reflect what our eyes might see if we could retune them to the invisible, infrared portion of the light spectrum. The hot star is less bright in infrared light than in visible and appears fainter. The warm planet peaks in infrared light, so is shown brighter. Their hues represent relative differences in temperature. Because the star is hotter than the planet, and because hotter objects give off more blue light than red, the star is depicted in blue, and the planet, red.The overall look of the planet is inspired by theoretical models of hot, gas giant planets. These "hot Jupiters" are similar to Jupiter in composition and mass, but are expected to look quite different at such high temperatures. |
Dagsetning | |
Uppruni | http://planetquest.jpl.nasa.gov/image/27# |
Höfundarréttarhafi | NASA/JPL-Caltech/R. Hurt (SSC/Caltech) |
Leyfisupplýsingar:
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.) | ||
Warnings:
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Items portrayed in this file
depicts enska
13. febrúar 2009
MIME type enska
image/jpeg
checksum enska
ebe270ded0eaad30810404b83de494716953164a
data size enska
2.013.379 Bæti
2.100 díll
3.000 díll
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Smelltu á dagsetningu eða tímasetningu til að sjá hvernig hún leit þá út.
Dagsetning/Tími | Smámynd | Víddir | Notandi | Athugasemd | |
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núverandi | 27. janúar 2013 kl. 16:36 | 3.000 × 2.100 (1,92 MB) | Stas1995 | User created page with UploadWizard |
Skráartenglar
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Höfundur | Spitzer Space Telescope |
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Handhafi höfundarréttar | http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml |
Titill myndar |
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Upprunaleg dagsetning | 22. mars 2005 |
Breidd | 3.000 px |
Hæð | 2.100 px |
Bæti á einingu |
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Þjöppunar aðferð | LZW |
Uppbygging mynddíla | RGB |
Stefna | Venjuleg |
Fjöldi eininga | 3 |
Lárétt upplausn | 300 pát |
Lóðrétt upplausn | 300 pát |
Tilhögun gagna | kögglað snið (chunky) |
Hugbúnaður | Adobe Photoshop CS3 Macintosh |
Dagsetning og tími breytingar | 13. febrúar 2009 kl. 14:52 |
Litrýmd | sRGB |
Samskipta upplýsingar |
http://www.spitzer.caltech.edu 1200 E. California Blvd. Pasadena, CA, 91125 USA |
Stuttur titill |
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Eigandi/Miðlari | NASA/JPL-Caltech/R. Hurt (SSC/Caltech) |
Fyrirsögn | This artist's concept shows what a fiery hot star and its close-knit planetary companion might look close up if viewed in visible (left) and infrared light. In visible light, a star shines brilliantly, overwhelming the little light that is reflected by its planet. |
Uppruni | Spitzer Space Telescope |
IIM útgáfa | 2 |