Discorde posts

31-May-2021 Monday
What are these cobblestones?

What are these cobblestones? - My, Cobble, Ural, Southern Urals, Chelyabinsk region, Minerals, Hobby, Longpost

11 more images

Cobble Minerals Ural Hobby Chelyabinsk region Southern Urals

29-May-2021 Saturday
What is a cobblestone?

League of Mineralogy

What is a cobblestone? - My, Minerals, A rock, Longpost

2 more images

A rock Minerals

19-September-2018 Wednesday
Light speed

Light speed - My, Space, Theory of relativity, Astronomy, Space and time, Light speed, Question, My, Amateur

Astronomy Question Amateur Space Space and time Light speed Theory of relativity

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