SN 1054 is a supernova that was first observed in 1054 AD by Chinese,
Arab and Japanese astronomers. It was visible in ordinary light for 23 days
and for around two years in the night-sky. What is its famous remnant that
has a pulsar at its centre and expands at the rate of 1500 km per second?
Arab and Japanese astronomers. It was visible in ordinary light for 23 days
and for around two years in the night-sky. What is its famous remnant that
has a pulsar at its centre and expands at the rate of 1500 km per second?