Companies selling fake lunar regolith are thriving today - their satellite soil substitutes
Why the Moon and not Mars: the main thing about the Artemis-1 mission and why it is needed
The lunar regolith is not at all like the earth's soil,it is covered with meteorite debris, and its chemical composition has been altered by constant bombardment by the solar wind. Therefore, when testing lunar missions on Earth, high-quality substitutes are needed, since transporting regolith to our planet is almost a more labor-intensive mission than sending astronauts to a satellite. About what fake regolith is made of and how they check the quality of spacesuits, see the video.
The creator of the space elevator: "Transit into space will appear within 10 years"
Look at the result of a "head-on collision" of two galaxies: this is a very rare occurrence.
Wolves infected with toxoplasmosis are 46 times more likely to become pack leaders