You can measure or calculate things such as length, volume, mass, albedo, etc.
No. For one thing, Halley's comet is a comet, not an asteroid. The largest asteroid is Ceres, which is far larger than Halley's comet.
asteroid
no
Scientists usually refer to this as an asteroid, not a comet. It's the asteroid that caused the Chicxulub crater.
Comet
the asteroid belt is safe for now long as there ere rouge comets comet comet clos to the belt
9P/Tempel or Tempel 1 is a comet, not an asteroid.
A comet or asteroid.
comet
An asteroid
Asteroid hamster is a eraser buddy. It is a hamster that erases! Mine is personally my favorite but their are other ones too. One is named Comet hamster! Asteroid hamster and Comet hamster a best friends.
Past The asteroid belt