Earth And Space Flashcards
What is a star
A star is an object made up of gas.
What is a galaxy
A galaxy is a collection of millions of starts along with gas and dust all held together by gravitational forces
What is a solar system
Our solver system is made up of the sun and all the planets (including earth)
What is a comet
giant dirty snowballs .there composed of frozen gases,rocks and dust
What is the moon
The moon is earths only natural satilite and is also the second brightest object in our sky
What is space
The region between objects and space
day and night in terms spinning of earth
when we are on the side of the earth is facing the sun.
all the planets
mercury,mars,venus,earth,Neptune,Uranus,Saturn,Jupiter
why do earth have seasons
the earths spin axis is tiltedwith respect to its orbital plane
lunar phases
new moon, waxing crescent,first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waxing crescent
solar eclipse
happens when the moon pas between the earth and thw sun
lunar eclipse
a lunar eclipse happens when the moon goes into earths shadow
cleanest energy souces
nuclear is a zero emmision clean energy souce
