Super Solar System Quiz

Is a year on Venus longer or shorter than a day on Venus?

How many black holes are there for every star in the universe?

What part of Earth is covered by water?

How much of the ocean have scientists explored?

What does the Big Bang theory explain?

Why can’t we hear sounds in space like we do on Earth?

Why do astronauts need to exercise in space every day?

Why do astronauts on the International Space Station need to know Russian?

If Mount Everest were placed in the Mariana Trench, would it stick out of the water?

How many black holes are there in the universe?