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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 star’s composition: it is almost entirely made from hydrogen and helium with only a tiny trace of heavier elements.
Crédit:ESO/Digitized Sky Survey 2
À propos de l'image
| Identification: | eso1132b |
| Type: | Observation |
| Date de publication: | 31 août 2011 19:00 |
| Communiqués de presse en rapport: | eso1132 |
| Taille: | 1452 x 969 px |
À propos de l'objet
| Nom: | SDSS J102915+172927 |
| Type: | Milky Way : Star |
| Catégorie: | Stars |
Couleurs & filtres
| Domaine | Télescope |
|---|---|
| Visible B | Digitized Sky Survey 2 |
| Visible Pseudogreen (B+R) | Digitized Sky Survey 2 |
| Visible R | Digitized Sky Survey 2 |