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galaxy stars and solar system - Coggle Diagram
galaxy stars and solar system
star - object made up of gas it is luminous it is a light source this is caused by nuclear reactions
nuclear reactions in a star occur between to hydrogen atom and it leaves helium the conversion of hydrogen to helium this makes light and heat that causes aur star to be luminous
life cycle of a star
formation - the large gas clouds in space called nebulae the attractive forces of gravity of the gas particles course these gasses to collapse and come together
the stable period - over billions of years the star becomes stable
the red giant - the star has used up all of its supply in its core and it begins to burn helium on its outer part
wight dwarf - is where the star condenses and collapses on itself
a galaxy is a collection of billions of stars along with gas's and dust and are all held together by gravitate and force
The 3 conditions that class a planet
must orbit a star
big enough to allow its own gravity to pull inwards to make it look like a sphere
must be big enough to move other objects around the same sides out of its way in its orbits around the sun
3 types of planets
terrestril
rocky planet mercury venus earth mars
jovean
gas giants made up of heleum and hydrojen Jupiter Neptune Saturn uranus
dwarf
to large to be as asteroids and to small to be planets