The composition of a star that should not exist
An ancient star in the constellation of Leo (The Lion), called SDSS J102915+172927, has been found to have the lowest amount of elements heavier than helium of all stars yet studied. The pie-chart shows the staròÀÙs composition: it is almost entirely made from hydrogen and helium with only a tiny trace of heavier elements.
Credit:ESO/Digitized Sky Survey 2
About the Image
Id: | eso1132b |
Type: | Observation |
Release date: | 31 August 2011, 19:00 |
Related releases: | eso1132 |
Size: | 1452 x 969 px |
About the Object
Name: | SDSS J102915+172927 |
Type: | • Milky Way : Star |
Category: | • Stars |
Colours & filters
Band | Telescope |
---|---|
Optical B | Digitized Sky Survey 2 |
Optical Pseudogreen (B+R) | Digitized Sky Survey 2 |
Optical R | Digitized Sky Survey 2 |
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