on this post i will try to list some frequently used words in astronomy with simple explanation: Orbit:
is the way object follows, it the path or route the planet makes when moving around star, or a moon around planet. celestial:
is an object related to the sky, such as celestial body wich means astronomical body, and celestial map meaning the map of the starry sky.
lexicology(origin of the word) : 1350–1400; ME < ML cēlestiālis, equiv. to L caelesti(s) heavenly (cael(um) heaven, sky + -estis adj. suffix) + -ālis from dictionary.com.Object:
is any things, in astronomy when we say object we most likely means; planet, star, galaxy, comet ... and so on.Dust:
this is dus:
and this is dust too:matter:
is a general description of the object
well, not easy to explain, do you have a dictionary? Galaxy:
is a large group of stars, including dust and gas, and dark matter, and may other things.
this is a galaxy: gravity:
is the force that gives things weight. gravity keeps planets around the sun, and keeps stars path in galaxies.
D.Firas, once again i should call for your help to turn this margin left, it would look much better.
looks like the pictures are the culprits. without them there were no troubles.