What is difference between asteroid and comet?
What is the difference between an asteroid and a comet? What are the compound materials that make them?
What is Comet? What are some examples of metals found in comets? What are the differences between planets, dwarf planets and asteroids? Why comet is not a star? Why do the asteroids in the asteroid belt not acrete? Why don't the asteroids in the asteroid belt coalesce to form a planet? Why is there an asteroid belt? What asteroid is getting moved? What does Halley's Comet look like? What type of technology would we need to create an artificial atmosphere around an asteroid, or, a small object? 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 Halley's comet? Why does the D/H ratio of water differ on earth and on 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 is the moon made of? Why don't planets have phases like the moon? What are the differences between particles and molecules? How many asteroids are in the solar system? What is the largest asteroid in our solar system? What is the moon made up of? Have Comets, Asteroids and Meteors all caused mass extinctions? What are the best resources for a beginner to learn about asteroids and asteroid mining? What are there different phases of the moon? What are their functions? Is the melted ice from a comet potable? Will gravity eventually pull the asteroid belt together to form a planet? If early Earth's water came via comets and meteors does our Moon and Mars also contain an equivalent amount of the same water? Is moon a satellite or a planet? How do Mars and Earth compare chemically? Could an asteroid impact knock the Moon into the Earth? What are the different phases of the moon? How and why does it happen?