SpaceCosmology
Andromeda is heading straight for us.
It is so wide that if it were brighter it would look six times bigger than the Moon.
Source
This fact is written from the English Wikipedia article it links to, so you can check every word in one tap. Fact Drop rates that source 4 out of 5 for credibility, and the rating travels with the fact on the back of its card in the app.
More space facts
Space facts are where the numbers stop making sense. A total eclipse only works because the Sun is 400 times wider than the Moon and 400 times further away. Venus spins backwards, some of the static on an old TV was the Big Bang, and almost all of the universe is missing. Every fact here links to its source.
- Some of the static on an old TV was the Big Bang.
- Almost all of the universe is missing.
- Astronomers aimed a telescope at an empty patch of sky for ten days.
- Every atom in you heavier than iron came from a dying star.
- The Sun loses four million tonnes of itself every second.
- The sunlight on your skin is tens of thousands of years old.