Comparison between the Sun and the ultracool dwarf star TRAPPIST-1
This picture shows the Sun and the ultracool dwarf star TRAPPIST-1 to scale. The faint star has only 11% of the diameter of the sun and is much redder in colour.
As the planets found around TRAPPIST-1 orbit much closer to their star than Mercury is to the Sun, they are exposed to similar levels of radiation as Venus, Earth and Mars in the Solar System.
Credit:ESO
About the Image
Id: | heic1713b |
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Type: | Artwork |
Release date: | 31 August 2017, 16:00 |
Related releases: | heic1713 |
Size: | 4793 x 3442 px |
About the Object
Name: | TRAPPIST-1 |
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Type: | Milky Way : Star : Type : Brown Dwarf |
Category: | Exoplanets Illustrations |
Image Formats
Large JPEG
2.9 MB
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