Composite image comparing the length of Manhattan Island, New York, USA to a neutron star. A neutron star is the densest object that astronomers can see directly. It has a mass 500, 000 times Earth's mass in a sphere with a diameter of 19 kilometres, similar to the length of Manhattan Island. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Goodard Space Flight Center / NASA |
Taille de l’image : | 4000 px × 2250 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |