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solar system - ANSWER-Everything orbiting the sun
Planets - ANSWER-Major bodies that orbit a star
dwarf planet - ANSWER-Orbits our sun but dose not meet all planetary requirements
Moons - ANSWER-Natural satellites - orbit planets
artificial satellite - ANSWER-Made by humans - orbit earth
Planet order - ANSWER-Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
galaxy - ANSWER-A huge group of single stars, star systems, star clusters, dust, and
gas bound together by gravity
What shape is an orbit - ANSWER-Circular
If you are closer to a planet the gravity is .. - ANSWER-Stronger
The stronger the force the orbiting object must travel - ANSWER-Faster
If speed changes the... - ANSWER-Size / radius of its orbit must too
Stars form from - ANSWER-Nebulas
Gravity pulls a nebula together to form a ... - ANSWER-Protostar
When a star gets denser - ANSWER-Particles collide
When temp is high enough hydrogen nuclei undergo nuclear fusion to form - ANSWER-
Helium nuclei
This gives out energy which - ANSWER-Keeps core hot
Star enters a stable period where outward pressure cause by fusion tries to expand the
star but ... - ANSWER-Gravity pulls everything inward
When hydrogen runs out star swells into - ANSWER-Red giant (small)
Red super giant (big)
It becomes red because - ANSWER-Surface cools