Our star the Sun is a projection that children of kindergarten age, lower grades students and as well as all adults teaches what are the stars. Precisely, it talks about the Sun which is our the greatest star. This professionally guided projection introduces visitors why is the Sun so important to life on Earth, its daily movements, how it affects to the alternation of day and night and changes of seasons. The live presentation explain the system Sun - Earth - Moon and how and why there are phases of the Moon. In the end, it takes us through the solar family (planets, comets, meteors, etc.).