One Direction
AC/DC
100
Includes the sun, planets, and many other smaller objects.
What is the solar system?
200
One astronomical unit in kilometers.
What is 150,000,000 km?
300
The inner planets are referred to as...
What are the terrestrial planets?
400
The outer planets are referred to as...
What the gas giants or Jovian planets?
500
Included the planets Earth, Mercury, Venus, Mars, Jupiter, Saturn, the Earth's moon, and the sun.
What is the solar system until the 17th century?
500
1 Mercurian year = _________ Mercurian days
What is 1.5 Mercurian days.