These are lumps of ice and dust. When they get close enough to the Sun they gradually evaporate. Jets of gas and dust create long tails that people can see from Earth.
- Asteroids
- Comets
- UFOs
- Stars
Answer
The correct answer is B) Comets.
More Science & Technology questions
- This planet is slightly smaller than Earth and its closest neighbor (excluding the Moon).
- This planet is has the largest group of moons - 31, but it is best known for its ring system.
- This planet of the Solar System was named after a Greek god of the sea and earthquakes. The name is actually the Roman translation of the gods name.
- As this is the closest planet to the Sun, its temperatures at the surface range between -300 and 800 F (hot enough for lead to melt).
- The surface of this planet is unique, it is the only one which has water in large quantities.
- Which Solar System celestial bodys revolution around the Sun takes 248 years?