Space Day is celebrated on May 7th, 2021. The word universe was Germanized by Philipp von Zesen in the 17th century with the word space. While the concept of the universe includes everything, including stars and planets such as the earth, space is often only used to describe the space outside the earth’s atmosphere or, in general, the space away from the surfaces of planets and the moon.
Since the transition from the earth’s atmosphere to space is fluid, there are several defined boundaries. The most common internationally is the definition of the Fédération Aéronautique Internationale, according to which space begins at an altitude of 100 kilometers. There is no height limit that is binding under international law. (With material from: Wikipedia)
Where is the Space Day?
When is the Space Day?
Friday May 7th 2021