A newly formed neutron star (small white dot) sits in the center of the supernova remnant Cassiopeia A, about 11,000 light-years away, in this image from NASA’s Chandra X-ray Observatory. Measurements of a form of zinc on Earth have given researchers new clues to the composition of neutron stars.
What a piece of work is a man... de quoi l'homme est-il fait? des mêmes éléments que les étoiles...
Heart nebula - Credit: NASA
Des astronomes découvrent une planète en diamant
The so-called "diamond planet" 55 Cancri e orbits a star 40 light-years from our Solar System. A study in 2010 suggested it was a rocky world with a surface of graphite surrounding a thick layer of diamond, instead of water and granite like Earth.