Earth has two temporary natural satellites besides the Moon.
Why it is true
Tiny asteroids are occasionally captured by Earth's gravity and orbit it temporarily before escaping.
Source: Astronomy Research
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.
Related facts
Space
All other planets of the solar system fit in the space between Earth and Moon.
Space
The Sun will lose the ability to sustain life on Earth in about 500 million years.
Space
Earth receives 430 quintillion joules from the Sun every hour.
Space
The Earth is closest to the Sun in early January, in the middle of the northern hemisphere's winter.
