Extremely Old Pulsars That Have Experienced Large Amounts of Mass

Q55: A neutron star must have a mass

Q56: What is a "hypernova," and how do

Q57: Gas falling into a black hole:<br>A) is

Q58: Why are black holes called "black"?

Q59: In a binary system containing two neutron

Q61: An astronomer examining a compact object could

Q62: A hypernova is a violent event caused

Q63: The jets emitted by compact objects are

Q64: What evidence did astronomers use to prove

Q65: The laws of physics demand that a