Monthly Archive: December 2023

The starry sky in January 2024

On 03.01. at 02 o'clock the earth is at a distance of 147.101 million kilometers in perihelion (close to the sun) on its orbit around the sun. The question may now arise as to why there is...

Astronomical units of measurement

This article explains the specification of distances, angles and magnitudes in an astrometric context. Distances The unit kilometer, which is commonly used in everyday life, is generally only used for short distances, e.g. for planetary diameters or...