A pulsar is a rapidly spinning neutron star which emits:
ARadio waves detectable from Earth
BA gravitational pull which attracts high energy dust particles
CEnough energy to power itself indefinitely
DA blinding light when it aligns with the planets
Correct answer
A. Radio waves detectable from Earth
Explanation
Radio waves detectable from Earth is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.