Is what you see the way it is?


Two dimensions vs. three dimensions:

What it looks like.

Really, the stars are different (big) distances away.

We can imagine the stars located on a celestial sphere.
"Distances" on the celestial are measured as angles.

The unit of angular measurement is usually the degree.
A full circle is 360 degrees.

Davison E. Soper, Institute of Theoretical Science, University of Oregon, Eugene OR 97403 USA