What is the difference between asteroids and comets?
What is difference between asteroid and comet?
What is Comet? Why comet is not a star? Why do the asteroids in the asteroid belt not acrete? Why is there an asteroid belt? What is Halley's comet? What asteroid is getting moved? Why don't the asteroids in the asteroid belt coalesce to form a planet? What does Halley's Comet look like? What is the largest asteroid in our solar system? Would we be better off if an asteroid hit land or water? What are some examples of metals found in comets? Why does the D/H ratio of water differ on earth and on comets? How many asteroids are in the solar system? Can radiotelescopes as arecibo image the subsurface of an asteroid or a planet penetrating into atmosphere and surface: several cm of metal or rock? What is the difference between astronomy and astrology? Is moon a satellite or a planet? What would happen to Earth if the Moon is hit by an asteroid, forcing it to have a different orbit around the Earth, but at the same distance? Could an asteroid impact knock the Moon into the Earth? Why didn't all the asteroids between Mars and Jupiter clump together, accrete and form planets instead of remaining billions of separate pieces? Could an asteroid hit knock Earth off its orbit? When is NASA going to an asteroid? If a massive asteroid hit earth, would it be more catastrophic if it hit land or open ocean? What is the difference between a mountain and a volcano, or is a volcano technically a mountain? Have Comets, Asteroids and Meteors all caused mass extinctions? Why don't planets have phases like the moon? Why does mars have two moons? What is the difference between a planet and a dwarf planet? Why are stars and planets spherical instead of having other shapes? Why cant we send space probes with orbits similar to that of comets? Is the Moon a planet?