Suppose an astronomer discovers a large, spherical-shaped body orbiting the Sun. The body is composed mostly of rock, and there are no other bodies sharing its orbit. What is the best way to categorize this body?

2 Answer

  • Solar planet in an undiscovered solar planet. With no other living organisms at its surroundings.
  • planet, The International Astronomical Union defines a planet as a spherical object that orbits a star. Planets clear the neighborhood around their orbits (i.e., no other bodies share their orbits).