Since intraplate earthquakes are not near plate boundaries, give a general idea of what you think might cause them. Do the largest earthquakes cause the most deaths and the most damage to property? California is famous for earthquakes along the San Andreas Fault zone but there is another type of plate boundary where large earthquakes occur.
A pulsar is a neutron star that emits beams of radiation that sweep through Earth's line of sight. Like a black hole, it is an endpoint to stellar evolution. The pulses of high-energy radiation we see from a pulsar are due to a misalignment of the neutron star's rotation axis and its magnetic axis.ike a black hole, it is an endpoint to stellar evolution. The pulses of high-energy radiation we see from a pulsar are due to a misalignment of the neutron star's rotation axis and its magnetic axis.
North is down, and the scale around the edges is in seconds of arc. The dot-dash line is the orbit's major axis. The orbital plane is tilted to the line of sight by 25 degrees, so that Castor A does not appear at the focus of the orbit (where it actually is). The period is so long that we have yet to see the stars make a full turn around each other. Each of the two is again double. Castor C lies 1.2 minutes of arc away.