Approximately how old is our solar system?
3.6 billion years
4.6 billion years
10 billion years
5 billion years
Which two planets are composed primarily of hydrogen and helium?
Jupiter and Mars
Mars and Venus
Jupiter and Saturn
Saturn and Neptune
The sun is composed of mainly 98% hydrogen and what other element?
Name the four inner planets:
Earth, Mars, Saturn and Jupiter
Earth, Mars, Uranus and Saturn
Earth, Mars, Venus and Mercury
Earth, Venus, Mercury and Saturn
How many moons does Jupiter have?
Which planets have rings?
Jupiter, Saturn, Venus and Neptune
Jupiter, Earth, Mars and Neptune
Jupiter, Saturn, Uranus and Neptune
Jupiter, Earth, Uranus and Neptune
The fastest planetary winds have been detected on Neptune. What are the highest measured wind speeds on the planet?