Examlex
Pulsars emitting very regular radio and sometimes visible light pulses are what type of object?
Q29: In order to measure the speed of
Q34: One day, while straying dangerously close to
Q48: Suppose that two identical stars (they have
Q79: How was the black hole candidate Cygnus
Q90: The period-luminosity relationship for Cepheid variable stars,
Q94: In a star's evolutionary life, the asymptotic
Q133: The center of the remnant of a
Q157: The explosion of a supernova appears to
Q215: Which of these stars (each of which
Q287: The T Tauri phase of a protostar