Comme dans tout astre, la densité d'une étoile à neutrons augmente à mesure que l'on s'approche du centre. On distingue ainsi dans une étoile à neutrons plusieurs couches, selon la densité et les ...

Lorsqu’une supernova de type II atteint la masse critique de 1.4 MSOLEIL, elle crée une étoile à neutron. Les supernovae de type I et celles de type II sont différentes dans le fait que les premières ...

Researchers have made a groundbreaking discovery of a neutron star in the Milky Way that rotates at an astonishing 716 times ...

Astronomers have spotted pure chaos lurking in the cosmos. Thousands of light years away from Earth, a small yet intensely ...

La matière se met parfois dans des états extrêmes. Difficiles à saisir. Mais des physiciens viennent de réussir à observer l’un de ces états dans le détail. Et les tourbillons de matière ...

Rocket Lab has signed a multi-launch agreement with a confidential satellite constellation operator for its new medium-lift ...

Astrophysicists have, for the first time, measured the temperature of elementary particles in the radioactive afterglow of a neutron star collision, which led to the formation of a black hole. This br ...

The kilonova briefly mimicked the conditions immediately following the Big Bang, and allowed scientists to confirm the source ...

The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, ...

Rocket Lab shares surged 25% in after-hours trading after the Kiwi-American firm forecast record fourth-quarter revenue and said it had signed its first two customers for its much larger Neutron ...

University of Liverpool researchers are part of an international research collaboration that has shed light on what happens ...

Some stars may transform into black holes without exploding into supernovae. Now, astronomers have finally spotted it as it ...