Planets
Objects
Name that Planet
Stars & Galaxies
Random
100
An imaginary line that goes through the center of all planets.
What is an axis?
100
small natural objects that revolve around other objects.
What are moons?
100
Which planet is known as the "Red Planet" and has many volcanoes?
What is Mars?
100
The hottest stars
What are blue stars?
100
These planets don't have a solid surface and their cores are very small.
What are outer planets?
200
planet orbits in our solar system are not perfect circles, but rather oval-shaped or this
What is elliptical?
200
Jupiter's moon that has the most active volcanoes of any body in our Solar System
What is IO?
200
a small, hot planet with lava flowing from 1,000 of volcanoes on its surface
What is Venus?
200
A galaxy is held together by
What is gravity?
200
Uranus, Saturn, and Neptune are known as
What are Jovian planets?
300
Planets are classified based on this
What is their distance from the sun?
300
Pieces of rock that break of asteroids and travel through space are called_________ These pieces burn up in Earth's atmosphere causing a streak of light called _________________ If these pieces of rock reach Earth's surface they are called _________________
What is meteorites, meteors, and meteoroids?
300
This planet's ring system is more visible than any other planet's?
What is Saturn?
300
The first astronomer to study galaxies
Who is Edwin Hubble?
300
Spiral galaxies have a central bulge
What is old stars?
400
What is Earth's atmosphere mostly made up of?
What is hydrogen, nitrogen, and carbon dioxide?
400
A comet's tail always points
What is away from the sun?
400
This planet has a red spot which is actually a giant spinning storm?
What is Jupiter?
400
The brightest galaxies have what kind of shape?
What is a spiral shape?
400
This galaxy has two or more spiral arms and young stars at the center.
What is a barred spiral galaxy?
500
Most dwarf planets are found in a region of the Solar System called?
What is the Kuiper Belt?
500
Huge balls of hot glowing gases that produce their own heat and light.
What are stars?
500
This planet's axis is tilted so far that it actually rotates on its side.
What is Uranus?
500
Stars are classified by
What is their color, temperature, brightness, and size?
500
These planets are very dense and rocky. They have a thin atmosphere, small diameters, and large solid cores.
What are inner planets?
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