Inner Planets

Front

What is the smallest planet in our solar system?

Back

Mercury

Front

Which planet is known as the 'Hottest Planet'?

Back

Venus

Front

What is the main component of Venus's atmosphere?

Back

Carbon Dioxide

Front

How many moons does Mars have?

Back

2

Front

Which planet is named after the Roman God of Messenger?

Back

Mercury

Front

What is the second planet from the Sun?

Back

Venus

Front

Which planet is known for its red color?

Back

Mars

Front

What is the average temperature on Venus?

Back

About 900 degrees Fahrenheit (475 degrees Celsius)

Front

What is the main reason Venus is hotter than Mercury?

Back

Venus has a thick atmosphere that traps heat.

Front

Which planet has the longest day?

Back

Venus, it takes about 243 Earth days to rotate once.