Here you will find various resources for studying astronomy.
- The Scale of the Universe 2: A website which shows the relative sizes of things, from the Planck length all the way to the structure of the universe.
- NASA’s Eyes: A program which allows you to see everything that’s going on in the solar system and beyond.
- Stellarium: A free, open-source planetarium program. Stellarium allows you to see what the night sky looks like, just like in any professional planetarium.