How does a comet differ from an asteroid?

Answer Comets consist of material similar to dirty snow and rock at the center. As a comet moves close to the sun, a long tail appears to be trailing behind the comet. Asteroids have no tail no matter how... Read More »

Top Q&A For: How does a comet differ from an asteroid

When an asteroid is burning up in the Earth's atmosphere, what is it called?

The term meteoroid refers to asteroids and comet debris as they tumble through space. Most meteoroids that enter the Earth's atmosphere burn up before reaching the surface of the Earth and are call... Read More »

What was the first thing that happened that gave NASA the first clue there was a large asteroid heading towards earth Armageddon?

NASA has already discovered a new planet made out of water.

What was the year that the earth last saw halley's comet?

Halley's Comet was last visible from earth in 1986 and is predicted to return in 2061. Halley's Comet has reappeared every 74 to 79 years since 240 B.C. The comet was named after the English astron... Read More »

The Effects of a Comet Hitting the Earth?

Comets are composed of frozen gases, water and dust. They often travel along irregular orbits around the sun, losing particles and debris as they get closer to the sun and begin to warm. This debri... Read More »