Bootes constellation. Its brightest star is Arcturus (Alpha Bootis),which is the fourth brightest star in the sky. To the left is the small constellation Corona Borealis,the northern crown. This comprises an arc of stars with the bright star Alphecca,or Gemma (Alpha Coronae Borealis) at its center. These northern constellations are best observed in spring and summer from the northern hemisphere | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Landolfi, Larry |
Taille de l’image : | 2465 px × 3698 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
|