![Letter U](https://www.nasa.gov/wp-content/uploads/2015/10/edu-letter-u-1200.png?w=1200)
U is for…
NASA’s Picture Dictionary
Check out what U stands for…
Universe
All matter and energy, including Earth, the galaxies, and the contents of space.
Sentences:
NASA uses space telescopes to study the universe.
A good way to start learning about the universe is to visit www.nasa.gov
Related Links:
A Flight Through the Universe video