* The closest planet to the Sun
* The smallest planet in our solar system
* No moons
* Very thin atmosphere
* Surface temperature can reach up to 450 degrees Celsius (840 degrees Fahrenheit) during the day, and drop to -170 degrees Celsius (-270 degrees Fahrenheit) at night
* Has a magnetic field that is about 1% as strong as Earth's
Venus
* The second planet from the Sun
* The hottest planet in our solar system
* No moons
* Very thick atmosphere, mostly carbon dioxide
* Surface temperature is always around 460 degrees Celsius (860 degrees Fahrenheit)
* Has a magnetic field that is about 10% as strong as Earth's
Earth
* The third planet from the Sun
* The only planet in our solar system known to support life
* Has one moon
* Atmosphere mostly nitrogen and oxygen
* Surface temperature varies from about -50 degrees Celsius (-58 degrees Fahrenheit) to 50 degrees Celsius (120 degrees Fahrenheit)
* Has a strong magnetic field that protects the planet from harmful solar radiation
Mars
* The fourth planet from the Sun
* The second smallest planet in our solar system
* Has two moons, Phobos and Deimos
* Atmosphere mostly carbon dioxide
* Surface temperature varies from about -130 degrees Celsius (-200 degrees Fahrenheit) to 20 degrees Celsius (70 degrees Fahrenheit)
* Has a weak magnetic field that is only about 1/1000 as strong as Earth's
Jupiter
* The fifth planet from the Sun
* The largest planet in our solar system
* Has 79 moons
* Atmosphere mostly hydrogen and helium
* Surface temperature is about -110 degrees Celsius (-160 degrees Fahrenheit)
* Has a strong magnetic field that is about 14 times stronger than Earth's
Saturn
* The sixth planet from the Sun
* The second largest planet in our solar system
* Has 62 moons
* Atmosphere mostly hydrogen and helium
* Surface temperature is about -140 degrees Celsius (-220 degrees Fahrenheit)
* Has a strong magnetic field that is about 20 times stronger than Earth's
Uranus
* The seventh planet from the Sun
* The third largest planet in our solar system
* Has 27 moons
* Atmosphere mostly hydrogen and helium
* Surface temperature is about -200 degrees Celsius (-330 degrees Fahrenheit)
* Has a weak magnetic field that is only about 1/100 as strong as Earth's
Neptune
* The eighth planet from the Sun
* The fourth largest planet in our solar system
* Has 14 moons
* Atmosphere mostly hydrogen and helium
* Surface temperature is about -220 degrees Celsius (-360 degrees Fahrenheit)
* Has a strong magnetic field that is about 50 times stronger than Earth's