The Inner Planets
This is is the second inner planet from the sun; the terrestrial planet that rotates in the opposite direction from the other planets.
Venus
These are any of the four large, outer planets that have surfaces made of hydrogen gas, have rings, and have many moons.
Gas Giants
Why is Venus the hottest planet when it isn't the closest?
This is the distance light travels in a year.
A light year.
What colors are the warmest stars?
Blue and white.
This is the fourth inner planet from the sun; a terrestrial planet with two moons.
Mars
This is an outer, gas giant planet with rings and many moons, the eighth planet from the sun.
Neptune
What is so important about Olympus Mons?
It is the largest mountain in the whole solar system.
This is when a star or other object in the sky seems to move even though it is Earth that is moving.
Apparent motion.
What colors are the coolest stars?
Orange and red.
This is the planet nearest to the sun; the first inner, terrestrial planet.
Mercury
This is an outer, gas giant planet with rings and many moons; the seventh planet from the sun.
Uranus
What are astronomers considering renaming Uranus?
Caelus
This is a star system where two stars are bound together by gravity, with planets orbiting them
Binary System
What is the closest star to the Sun?
Proxima centauri.
This is a large, spherical object that orbits a star.
Planet
This is an outer, gas giant planet with rings and many moons; the fifth planet from the sun.
Jupiter
What is the Great Red Spot, Really?
It is a giant hurricane that has been going on for hundreds of years.
This is a sphere of hot gas that gives off light and heat.
Star
Why is Proxima Centauri unlikely to have life?
It is a red dwarf and is not warm enough.
This is the third inner planet from the sun; the planet we live on.
Earth
This is an outer, gas giant planet with many rings and moons; the sixth planet from the sun.
Saturn
What did we learn from the Galileo Probe?
There was less water and lightning than we thought, but the winds were stronger. No solid surface was detected.
How far is a light year?
6 trillion miles.
8 minutes