https://earthsky.org/space/whats-the-difference-between-comets-and-asteroids

Jun 26, 2014 ... Asteroids tend to be rockier or more metallic. Comets tend be icier. But some objects blur the distinction between asteroids and comets.

http://coolcosmos.ipac.caltech.edu/ask/181-What-is-the-difference-between-an-asteroid-and-a-comet-

The main difference between asteroids and comets is their composition, as in, what they are made of. Asteroids are made up of metals and rocky material, while  ...

https://www.universetoday.com/33006/what-is-the-difference-between-asteroids-and-comets/

Nov 19, 2014 ... But there are a few notable differences between these two objects, as well. The biggest difference between comets and asteroids, however, ...

https://www.scienceabc.com/nature/universe/asteroids-and-comets-size-composition-comparison-differences-and-similarities.html

Differences between asteroids and comets​. The primary difference between comets and asteroids lies in their respective composition. While comets are mostly ...

https://www.nbcnews.com/mach/science/what-s-difference-between-comet-asteroid-ncna925576

Oct 29, 2018 ... Comets and asteroids might seem like similar hunks of space debris, but they're made of different materials and have different orbits.

http://www.planetsforkids.org/asteroids-and-comets.html

Anything that comes close to the earth from outer space is known as a near-earth object (NEO). These include asteroids and comets that may have been pushed ...

https://www.popsci.com/what-is-a-comet-asteroid

Oct 12, 2018 ... In our solar system, there are a lot of things that circle, or orbit, around our Sun. Earth orbits the Sun about every 365 days. Seven other planets ...

https://spaceplace.nasa.gov/review/posters/stardust/comets-vs-asteroids.pdf

mysteries of comets and asteroids—and our solar system itself. ... Most reside in Asteroid Belt between orbits of Mars and .... they may not be much different from.

http://www.indiana.edu/~geol105/images/gaia_chapter_2/comets_and_asteroids.htm

Asteroids are rocky and metallic objects that orbit the Sun but are too small to be ... The main distinction between asteroids and comets seems to be that comets ...

https://www.mercurynews.com/2013/03/10/comet-meteor-asteroid-heres-how-to-tell-the-difference/

Mar 10, 2013 ... Meteoroid: A small rocky or metal object, usually between the size of a grain of sand or a boulder, that orbits the sun. It originates from a comet ...