Mystery #3Tier 3space / gravity
Why do planets circle the Sun instead of flying off or falling in?
The Sun's gravity pulls hard on every planet. So why doesn't Earth just get dragged straight into the Sun, and yet, with all that pull, why doesn't it fly off into space either? How does it end up going round and round?
Your guess
What's your hunch: what keeps a planet endlessly circling the Sun rather than crashing in or escaping?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
Make a guess to unlock the hints and the answer.