SPACE PHYSICS Flashcards
moon orbites the earth similar to?
An orbitting sattilite
What is the solar system consists of
consists of 1 star the sun and 8 planets that revolve around it in eleptical orbits
also includes MINOR PLANETS + ASTRIODS + COMETD
explain the earths axis
earth spins about its own axis which is slightly tilted
earth completes one complete revelution in ____ hours
24
what does 24 hours create?
creates day for half of the earths surface facing the sun and night for the other half which is facing away from
earth is _____km from the sun
150m km from the sun
moon is aprox —km from earth and has time period of ____ days
400000km
27 days
what are the 4 inner plannets
and what are their structure
MVEM
mercury
venus
earth
mars
small
similar sized
rocky solid structure
high density
what are the 4 outer planets
JSUN
jupitar
saturn
uranius
neptune
low density
much larger and colder
consist of many gasses
which planets have many moons and natutal satillities?
outer planets
what are natural sattilities
any body in space that orbits around a large body
what is pluto
is a dwarf plannet
thought to be composed of a mixture of rock ice fozen methane and hydrogen