What causes the radio pulses of a pulsar?
A) The star vibrates.
B) As the star spins, beams of radio radiation sweep through space. If one of the beams crosses Earth, we observe a pulse.
C) The star undergoes periodic explosions of nuclear fusion that generate radio emission.
D) The star's orbiting companion periodically eclipses the radio waves emitted by the main pulsar.
E) A black hole near the star absorbs energy and re-emits it as radio waves.
Question 2
In the inner solar system, the largest surface features are found on the largest planets.
Indicate whether the statement is true or false
The Sun is the nearest star to Earth.
Radio
Superposition of two pulses
The battery was replaced in this Acura and the radio displayed “code” when the replacement ...
Crab Nebula Pulsar
A Radio Telescope in Green Bank, West Virginia