Alien life could face threats from passing stars and supernovae
Astronomers examined 84 of the closest known stars with potentially habitable exoplanets and found that 3 face possible extinction-level…
Tag: supernova
How did supermassive black holes form?
An astronomer analyzed ancient supermassive black holes with mathematical models and found they likely grew exponentially after light,…
Searching for the first supernovae in the universe
Astronomers developed new theoretical models for how stars evolve that suggest the JWST could glimpse the oldest stars in the universe…
Scientists found neutron stars merge to make heavy elements
A team of astrophysicists in China simulated collisions between the remains of former stars and showed the resulting explosions could…
Why Does Mars Have Such a Thin Atmosphere?
A Coronal Mass Ejection means that the corona, a layer of the sun, explodes, ejecting particles into space. Supernova cosmic rays or…