Condensation trail, Nauchpop
21-September-2024 Saturday
Reply to the post "What are those white stripes that airplanes leave in the sky, and why do they form?"
19-September-2024 Thursday
What are those white stripes that airplanes leave in the sky, and why do they form?
28-May-2020 Thursday
The Tunguska explosion could have been caused by an asteroid that is still orbiting the Sun