Test Flashcards
What creates the craters on the moon
From astroids and meteors hitting it over time
Who was the first man to walk on the moon?
Neil Armstrong
What was the spaceship called that he travel to the moon on?
Apollo 11
What is the Hubble telescope?
a space telescope that was launched into low Earth orbit in 1990
How do tides work
the moon’s gravitational force pulls on water in the oceans so that there are “bulges”
How does the moon influence the tide?
The tides will change when the moon rotates around the earth and the position of the sun changes (gravitational pull)
Seasons definition
Caused by the tilt of earth on its axis as it rotates around the sun.
Revolution definition
(movement around an orbit)
The Earth takes 365¼ days to complete one revolution around the sun.
Rotations definition
When an object spins it is said to be rotating (earth)
It takes 24 hours to complete one rotation
Orbits definition
An orbit is a regular and repeating path that one object in space takes around another one, like earth and the moon.
What is the earths tilt
23.5 degrees
Earths axis definition
An imaginary line drawn through the North Pole and the South Pole.
Hemispheres definition
a half of the earth, usually as divided into northern and southern halfs
Solstice definition
when the sun reaches its highest or lowest point in the sky at noon,
How does a lunar eclipse works
when the Moon passes directly behind the Earth into its umbra