CXC Home | Search | Help | Image Use Policy | Latest Images | Privacy | Accessibility | Glossary | Q&A
1. Scales and Angular Measurement
This illustration shows how you can use your hand to make rough estimates of angular sizes. At arm's length, your little finger is about 1 degree across, your fist is about 10 degrees across, etc. (Credit: NASA/CXC/M.Weiss)
More Information
This illustration shows how you can use your hand to make rough estimates of angular sizes. At arm's length, your little finger is about 1 degree across, your fist is about 10 degrees across, etc. (Credit: NASA/CXC/M.Weiss)
More Information
Download:
Revised: August 19, 2008