Space Facts
Planets
Astronomers
Objects in Space
Misc.
100

When the moon is getting bigger it is _____

What is waxing?

100
Venus has this type of rotation. It rotates from east to west.
What is retrograde rotation?
100
According to Isaac Newton, the planets stay in orbit because of these two laws of motion.
What are gravity and inertia?
100
Found inbetween the orbits of Mars and Jupiter.
What is the asteroid belt?
100
This is the cause of the extreme temperature range on Mercury (430*C in the day to -170*C at night).
What is having a thin or almost no atmosphere?
200

I'm yellow and cloudy and super hot. Look low in the sky, I'm easy to spot. People call me the “Evening Star” From planet Earth, I'm not very far.

What is Venus?

200
Often considered a double planet.
What are Pluto and Charon?
200

I was an Italian scientist, who first used the telescope to study the sky. I believed that Earth traveled around the Sun.

Who is Galileo?

200
Made of ice and dust with a bright head and long narrow tail.
What is a comet?
200
What galaxy is our solar system in?

What is the Milky Way?

300

Explosions that occur when gas on the surface of the sun becomes extrememly hot are called _____ _____.

What are solar flares?

300
Europa, one of Jupiter's moons, may have this below it's surface that could support life.
What is water?
300

What astronomer is credited with forming the Earth centered model of our solar system?

Who is Nicolaus Copernicus?

300

At a distance of 152.6 AU (14.2 billion mi) from Earth as of April 24, 2021, it is the most distant man-made object from Earth.

What is Voyager 1?

300

Earth spinning on its axis is called

What is a rotation?

400

This was the first spacecraft to land human beings on the Moon in 1969.

What is Apollo 11?

400
The large four gas giants.
What are Jupiter, Saturn, Uranus, and Neptune?
400
A planet would travel out into space without this law of motion.
What is inertia?
400
Meteorids that entered our atmosphere and hit the Earth with out burning up completely.
What are Meteorites?
400
Without this law of motion a planet would travel out into space.
What is gravity?
500

How many moons does Pluto have?

What is 5?

They are Charon, Styx, Nix, Kerberos, and Hydra. 

500

Why do some places have 24 hours of sunlight while others have 24 hours of night?

500
Kepler and Brahe's observations show the orbits of the planets travel in this shape.
What are ellipises?
500
Chunks of rock or dust in orbit that are too small and too numerous to be thought of as planets
What are asteroids?
500

How long does it take for the moon to complete one full cycle (go through all of its phases)?

What is 29.5 days?