Space Flashcards
The sun
The sun is a average size star
The source of heat and light
It has an axis
Gravity keeps planets rotates
Made out of hot gases
Revolution
One thing moving around another
Revolution =orbit
Rotation
Rotation is spinning in a circle
Gravity
Earths gravity keeps humans from floating
Planets orbit the sun because
Physical bodies attract each other
Axis
An imaginary line earth sun and moon rotates
Milky Way galaxy
Earths galaxy one of many
Moon
It takes 29 days to orbit earth The moons gravity makes our tides Natural satellite Makes the earth spin without wobbling Gives earth it's even climate
Seasons
We have them because of earths 23 degree angle
Suns rays hit earth
Dwarf planet
Pluto
Tides
They are caused by the moon gravity
Day and night
The earth spins on an axis in 24hours this causes day and night
Orbit
The path one body in space takes as it moves around another body in space
Earth
An iner planet it has life
Has liquid water
Takes 365 1 year to orbit the sun
Eclipse
When the light from the sun it blocked
Day and night
Earth rotates on its axis that causes 24or 1 day
Lunar eclipse
Lunar when moon passes through earths shadow