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... our Sun. A galaxy is like that, only much bigger. Billions of stars, like our Sun, orbit something very massive, or heavy, in the center. That massive thing could be a very large group ... /For%20Kids/KidstoSpace.html Click here Category:Kids To Space Category:Kids To Space - GALAXY, SOLAR SYSTEM and UNIVERSE

Our galaxy is a giant, swirling collection of stars. It has four arms that wrap around a large core of stars. At the center of the core is a massive black hole. Image:K2Sgalaxy.jpg border ... /For%20Kids/KidstoSpace.html Click here Category:Kids To Space Category:Kids To Space - GALAXY, SOLAR SYSTEM and UNIVERSE

... is about ownership, and that is a question of law. In history, sovereignty referred to the governance of a particular country, nation or territory as well as to the ownership of new lands. Sovereignty is intricately linked with jurisdiction and control over a territory. Whoever had sovereignty could claim ownership, not only of the ...

An airlock is a device which allows movement from one kind of environment to another, while maintaining separation between ...

A rocket is a device that generates a propulsive thrust by exhausting a propellant at a high velocity. The momentum of the exhaust mass creates a reactive force on the rocket vehicle. Possibly the simplest example is a balloon. When inflated and released the air inside is ...

A meteor is a grain of dust (or perhaps a slightly larger object) that enters the Earth's atmosphere, and then burns up as a result of friction with the air. ---- Answer provided by Alan ...

... arm out and wave it around, you are feeling the atmosphere. The Earth's atmosphere is composed mostly of nitrogen and oxygen molecules with other minor gases. We breathe the oxygen ... upward we travel from the surface. Ten miles up the pressure is one-ninth of the surface; 15 miles up it is one-twenty-seventh of the surface. Commercial jets fly about five miles up and the air is very thin. The edge of space is roughly 60 miles up and the air is so thin that commercial planes cannot fly and ...

Outer space—so called because it is outside of the Earth's protective atmosphere—begins at a height of 62 miles above Earth and is called the Karman Line, named for ...

An environment defines the area or space around you. For example, the air around you is part of your environment. The air must be breathable and not too hot or too cold for you to survive. The bedroom where you sleep is also an environment. ---- Answer provided by Robby Gaines Image:K2S logosmall.jpg Question and Answer ...

... force that causes objects with mass to be attracted to other objects of mass. Gravity is the downward force that keeps your feet on the ground and prevents you from floating ...

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