Fraunhofer's solar spectrum, illustration

Numéro d’image : 13506092
Fraunhofer's solar spectrum, illustration
Illustration of the spectrum of sunlight, with absorption lines (vertical), drawn by the German physicist Joseph von Fraunhofer (1787-1826). The spectrum ranges from blue (right) to red (left). The absorption lines, known as Fraunhofer lines, indicate the presence of certain elements in the Sun's atmosphere and were discovered by Fraunhofer in 1814. The curve at top shows the intensity of sunlight in different parts of the spectrum as perceived by the human eye. From Determination of the Refractive and Dispersive Indices of Differing Types of Glass in Relation to the Perfection of Achromatic Telescopes (1817).
Licence : Droits gérés
Crédit: Science Photo Library / ETH-Bibliotek Zurich
Taille de l’image : 4686 px × 2614 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

Prix pour cette image À partir de 45 €

Produit vendu
(Calendrier, Carte postale, Carte de vœux, Impression sur textile, Packaging etc)
À partir de 45 €
Usage commercial
(Affichage, Annonce presse, Annonce TV, Carte, Digital - hors rés. sociaux, Digital - rés. sociaux etc)
À partir de 45 €
Éditorial
(Digital, Journal, Livre, Livre pratique, Magazine, Télévision etc)
À partir de 60 €
Usage non-commercial
(Digital - hors rés. sociaux, Digital - rés. sociaux etc)
À partir de 120 €

Mots clés

;