Vocabulary
What does astronomy mean?
Deals with celestrial objects, space, and the physical universe as a whole
What is a meteor?
A small body of matter from outer space that enters the Earth's atmosphere.
What is the center of the solar system?
The Sun
What is the first planet in the solar system?
Mercury
Mr. Bailey would want to live on Mars one day.
True
What is a galaxy?
A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
What is an asteroid?
A small rocky body orbiting the sun.
How many planets are in our solar system?
8
This planet is considered a dwarf planet.
Pluto
Mr. Bailey's favorite planet is...
Saturn
Who discovered that the Sun was the center of the Solar System?
Galileo
What is a planet?
A celestrial body distinguished from the fixed stars by having an apparent motion of its own
True or false:
The solar system has an asteroid belt between JUPITER and MARS.
True
This planet is the only planet that has life on it.
Earth
Does Mr. Bailey think we are the only life forms in the universe?
No
What is an orbit?
How long it takes a planet, moon, asteroid, etc to revolve around the Sun or planet
What is another name for moon?
Satellite
Which is the furthest planet from the Sun?
Neptune
This planet has the most moons discovered.
Saturn
Which planet would Mr. Bailey NOT want to travel to?
Pluto, too tiny and not a planet
What are the two groups our planets are categorized in?
Terrestrial and Jovian
Describe the universe.
All existing matter and space as a whole or the cosmos.
4.5 billion years
True or false:
Venus has more moons than Mercury.
False
Explain why Mr. Bailey wants to go to Saturn.
The rings look awesome and there are many moons I could travel to.