What is the name of the imaginary line in the center of the Earth?
Equator
100
What is the name of the galaxy we live in?
The Milky Way
100
Where is the asteroid belt located?
Between Mars and Jupiter
100
How long does it take for the Earth to complete 1 rotation?
24 hours or 1 day
200
Name the 4 outer planets
Jupiter, Saturn, Uranus, Neptune
200
Why do we have the 4 seasons?
Because of the tilt of axis and the orbit
200
How many stars are in our Solar System?
ONE - The sun!
200
What is a comet composed of?
Dust and rock particles mixed with frozen water, methane, and ammonia.
200
How long does it take for the Earth to orbit the sun 1 time?
365 days or 1 year
300
What is the name of a celestial body that orbits a planet? (What is it called?)
A moon or satellite
300
What is the name of the tides?
High tide and low tide or spring tides and neap tides
300
What is a star made of?
Gas - Mostly Helium and Hydrogen
300
What is the Oort Cloud?
The Oort Cloud is a huge spherical cloud that surrounds the entire system. It holds millions of small pieces of ice and rock that slowly orbit the Sun. It is basically the edge of the Solar System.
300
What is the angle of Earth's tilt?
23.5 degrees
400
Which planets are gas giants and which are terrestrial planets?
The 4 inner planets are terrestrial and the 4 outer planets are gas giants
400
Why do we always see the same side of the moon?
Because it has the same period of rotation and revolution around the Earth
400
What is a nebula made of?
Gas and dust
400
Where is the Kuiper belt located?
Beyond Neptune
400
How far is the Earth from the sun?
150 million km
500
Name two of the three dwarf planets
Pluto, Ceres, and Eris
500
What's the difference between a lunar eclipse and a solar eclipse?
A solar eclipse is when the moon is between the sun and the Earth, and a lunar eclipse is when the Earth is between the sun and the moon.
500
What is the Universe made of?
Galaxies, stars, planets and nebulae
500
What type of comet is Halley's Comet and how frequently is it seen?
It is a short period comet, and it is seen every 75 years.