Although there can sometimes be a blurry line between categories the following definitions should help you understand the difference between comets and asteroids, why Halley’s Comet is not a meteorite and more.
Comet
Asteroid
Meteoroid
Meteor A meteoroid that burns up as it passes through the Earth’s atmosphere is known as a meteor. If you’ve ever looked up at the sky at night and seen a streak of light or ‘shooting star’ what you are actually seeing is a meteor. Meteorite
Meteor
A meteoroid that burns up as it passes through the Earth’s atmosphere is known as a meteor. If you’ve ever looked up at the sky at night and seen a streak of light or ‘shooting star’ what you are actually seeing is a meteor.
Meteorite