Parsec - Wikipedia
A parsec is defined as being the distance to a star with a parallax angle of 1 second Typical interstellar distances (distances between stars) are a few parsecs. The distance to the star in parsecs is given by The average distance between the Earth and the Sun is a natural distance unit and is called an Astronomical. Where p is the parallax angle observed, and D is the actual distance measured in parsecs. A parsec is defined as the distance at which an object has a parallax.
Con permiso! - крикнул санитар.
- What Is Parallax?
- What are the similarities and differences between a parsec and a light year?
- Parallax and Distance Measurement
Мимо стремительно проплыла каталка. Беккер успел отскочить в сторону и окликнул санитара.