Förlängningslinjerna
Förlängningslinjerna are hypothetical lines in astronomy that extend from the apparent position of celestial objects in the night sky to their true position in three-dimensional space. The concept is primarily used in the context of understanding stellar parallax and the distances to stars. When observing a star from Earth, its apparent position shifts slightly over the course of a year due to the Earth's orbit around the Sun. This shift, known as parallax, is measured as an angle.
Förlängningslinjerna, in this context, would be the lines drawn from the Sun through the star's apparent position
While the term "förlängningslinjerna" is not a standard, universally recognized astronomical term, the underlying principle of