Vocab
Astronomy
branch of sciene that studies the observable universe beyond Earth's atmosphere
What happens if a planet is too close to the sun?
Solar system
consists of a star at the center and planets that orbit the star
Name the 3 types of galaxies.
Spiral, Elliptical, Irregular
What does terrestrial mean?
Rocky solid surface
Equator
imaginary line that divides Earth in half
Name the planets in order from the Sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranas, Neptune
The sun rises in the _______ and sets in the _______.
East, West
Magnetosphere
Earth's invisible magnetic shield that is proteting us from the sun's high energy particles and space radiation
True or False: Our universe in not expanding but is staying the same size.
False
Earth spins on its __________
axis
Aurora
light show that happens at night near the North and South poles caused by tiny, energetic particles from the Sun crashing into gases in Earth's upper atmosphere, giving off light
Explain what we mean when we say "observable universe".
It is the part of the universe that we can observe using tools or our eyes.
Which direction does the Earth rotate and revolve?
Counter-clockwise