Neutron star’s echoes give astronomers a new measuring stick
Tuesday, June 23, 2015 - 15:40
in Astronomy & Space
In late 2013, when the neutron star at the heart of one of our galaxy's oddest supernovae gave off a massive burst of X-rays, the resulting echoes -- created when the X-rays bounced off clouds of dust in interstellar space -- yielded a surprising new measuring stick for astronomers.