Gliese 581 D Map By Biodome51 On Deviantart

Related: Gliese 581 Gliese 581g Gliese 581c Gliese 581d Gliese 581 D Radius Gliese 581e Gliese 581 B Gliese 581 D

Wiki info

An M-class dwarf star such as Gliese 581 has a much lower mass than the Sun, causing the core region of the star to fuse hydrogen at a significantly lower rate. From the apparent magnitude and distance, astronomers have estimated an effective temperature of 3200 K and a visual luminosity of 0. 2% of that of the Sun. However, a red dwarf such as Gliese 581 radiates primarily in the near infrared, with peak emission at a wavelength of roughly 830 nm (estimated using Wien's displacement law, which assumes the star radiates as a black body), so such an estimate will underestimate the star's total luminosity. (For comparison, the peak emission of the Sun is roughly 530 nm, in the middle of the visible part of the spectrum. ) When radiation over the entire spectrum is taken into account (not just the part that humans are able to see), something known as the bolometric correction, this star has a bolometric luminosity 1. 3% of the Sun's total luminosity. A planet would need to be situated much closer to this star in order to receive a comparable amount of energy as the Earth. The region of space around a star where a planet would receive roughly the same energy as the Earth is sometimes termed the "Goldilocks Zone", or, more prosaically, the habitable zone. The extent of such a zone is not fixed and is highly specific for each planetary system. Gliese 581 is a very old star. Its slow rotation makes it very inactive, making it better suited than most red dwarfs for having habitable planets.


Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
this is Gliese 581 D by biodome51 on DeviantArt
this is Gliese 581 D by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
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Gliese 581d by groovychk on DeviantArt
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Yrian Map by DKDevil on DeviantArt
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Gliese 581d by groovychk on DeviantArt
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Gliese 581 g by Jcfag on DeviantArt
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Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
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Gliese 581 D map by biodome51 on DeviantArt
Gliese 581 D map by biodome51 on DeviantArt
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