What is the difference between a comet and an asteroid?
What is the difference between asteroids and comets?
Why do the asteroids in the asteroid belt not acrete? What is Comet? Why comet is not a star? How many asteroids are in the solar system? Why is there an asteroid belt? Why don't the asteroids in the asteroid belt coalesce to form a planet? What are some examples of metals found in comets? Why didn't all the asteroids between Mars and Jupiter clump together, accrete and form planets instead of remaining billions of separate pieces? What asteroid is getting moved? Why does the D/H ratio of water differ on earth and on comets? What does Halley's Comet look like? Have Comets, Asteroids and Meteors all caused mass extinctions? What is Halley's comet? Why cant we send space probes with orbits similar to that of comets? What is the difference between astronomy and astrology? Why does mars have two moons? What is the largest asteroid in our solar system? Why do planets orbit stars? What are the two moons of Mars? What are the best resources for a beginner to learn about asteroids and asteroid mining? How can we stop asteroids? Why are stars and planets spherical instead of having other shapes? If early Earth's water came via comets and meteors does our Moon and Mars also contain an equivalent amount of the same water? What are the characteristics of Pluto? 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? Would we be better off if an asteroid hit land or water? Why does it appear that the moon and stars move in the sky? What is the difference between a planet and a dwarf planet? What could end the world except asteroids? What would happen if two equal perfectly spherical asteroids with 1 km diameter each, both made of lead, collided at 1 m/s?