Solar System Flashcards

Front

What is the closest planet to the Sun?

Back

Mercury

Front

What is the smallest planet in the solar system?

Back

Mercury

Front

What is the temperature range on Mercury?

Back

-180 °C at night to 450 °C during the day

Front

What gases make up Mercury's atmosphere?

Back

Oxygen, hydrogen, helium, and potassium

Front

Which planet is known as the hottest in the solar system?

Back

Venus

Front

What is Venus's atmosphere filled with?

Back

Clouds of sulphuric acid

Front

Why is Venus considered Earth's twin?

Back

Both are similar in size

Front

What is unique about Venus's atmosphere?

Back

It is extremely toxic and an example of the greenhouse effect

Front

What covers two-thirds of Earth's surface?

Back

Water

Front

What gases are abundant in Earth's atmosphere?

Back

Nitrogen and oxygen