"Halley" is the name of which celestial object?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) - Comet
Halley's Comet is the most famous object, which can be easily seen with a naked eye. It orbits the Sun every 76 years, coming near the Earth within a human lifetime. The first observation of the Comet Halley, which has been recorded, dates back to 240 BC.