Topic: Kavli Institute for Particle Astrophysics & Cosmology
A team of researchers found the 'unique, smoking-gun signature' of the creation of cosmic rays in the expanding shells cast off by supernovae.
A 'nomad' planet of the right mass, with the right atmosphere, and some source of heat – perhaps radioactive decay or tectonic activity – could allow for life either on the surface or underground.
New study is part of a broader effort to understand the early years of the universe, after the big bang.
08/02/2008 01:00 am