Everyday Science
NULL
Medium
Question
A pulsar mainly emits __________?
A
A blinding light when it aligns with the planets
B
Radio waves detectable from Earth
✓ Official correct answer
C
A gravitational pull which attracts high energy dust particles
D
Enough energy to power itself indefinitely
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
A blinding light when it aligns with the planets
No member explanations yet for this option.
B
Radio waves detectable from Earth
No member explanations yet for this option.
C
A gravitational pull which attracts high energy dust particles
No member explanations yet for this option.
D
Enough energy to power itself indefinitely
No member explanations yet for this option.
Explanation
Pulsars emit beams of radio waves detectable from Earth.
So the correct answer is Radio waves detectable from Earth.
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