How long does it take to cycle through the phases of the moon?
About 28.5 days
a region in the Solar System between the orbits of the planets Jupiter and Mars that contains a great many solid, irregularly shaped bodies.
Asteroid Belt
What is the heliocentric model of the solar system?
Planets revolve around the sun.
How many Earths could fit inside the Sun – and the Sun is considered an average-size star?
1 million
What phases comes after a new moon?
Waxing crescent
A region of icy objects beyond the orbit of Neptune.
Kuiper Belt
What is the geocentric model of the solar system?
What other planet may have running water?
Mars
What phase of the moon comes right after a full moon?
Waning gibbous
What is one of the three requirements to be a planet?
Answers will vary.
Who created the model of the solar system we use today?
Johannes Kepler
Name one planet that has no solid surface. You wouldn't be able to walk on them!
Jupiter, Saturn, Uranus or Neptune
How can you tell if the moon is waxing or waning?
If the right or left side is illuminated.
What is a comet?
cosmic snowballs of frozen gases, rock, and dust that orbit the Sun
How many planets are in our solar system?
8
How long would it take to fly a plane to Pluto?
800 years
How long does it take the moon to rotate around the Earth?
About 27 days
Why do we see different constellations during different times of year?
The Earth's orbit around the sun and rotation on its axis.
Why are models of our solar system often incorrect?
They fail to show scale and distance.
About how often does an asteroid the size of a car enters Earth’s atmosphere? – but it burns up before it reaches us. Phew!
About once a year!