No student devices needed. Know more
6 questions
How many years ago was the solar system formed?
4,5 million
5,4 billion
5,4 million
4,5 billion
Mercury, Venus, Earth and Mars are ......................
Which planet is the smallest?
Mercury
Earth
Venus
Which planet is the hottest?
Mars
Venus
Saturn
How many moon are there in the Solar System?
At least 50
At least 100
At least 150
At least 200
In what year did Neil Armstrong and Buzz Aldrin land on the moon?
1961
1969
1989
1999
Explore all questions with a free account