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Lightyears
the rings around our planets are made out of icy dust particles and frozen gases
simple and easy a comet a comet has a solid center nucleus that contains rock particles trapped in frozen liqud this forms the tail: as it moves closer to the sun the "outer ice" turns to gas and the solid particles (pieces) turn to dust
Planet Asteroid Meteoroid
Glacier A continuous mass of ice covering a . . A continuous mass of ice covering a large landmass is known as a mass of perennial ice. (general term). The ice covering Antarctica is called an ice sheet, and it covers 98% of the continent.
Small space objects clump together from many different directions giving it a odd shape. once the object gets enough mass, the gravity starts forcing the object into a ball. For example space dust kept on connecting (when in orbit around the sun) until the mass was large enough to force the space dust ( which by then was basically rock) into a large uninhabitable ball which after pulling gasses in to form an atmosphere, turned into what we call now earth.
A galaxy.
nebula
I dont think dust is a matter. As matter requires these two properties, Space and MASS. A dust can only exhibit the property of space *this answer is an opinion*
Matter
Large mass (in astronomical terms) bend and distort the fabric of spacetime.
To a large extent, empty space. But there are also isolated stars and other objects, as well as dust and gas. It seems that the intergalactic gas in a galaxy cluster, though thinly spread, has about as much mass as all the galaxies!
nebula
Scientists have estimated that several TONS of dust and rocks fall to Earth each day. Some of it is in the form of meteors, which either burn up in the atmosphere (adding dust and vapor) or fall to the ground (adding solid mass). Some of the dust on your bookshelves is space dust.
A large land mass is commonly called a continent.
Lightyears
In Australia this would be called a willie willie. Dust devil is another common name.