By Fascinating — Mar 04, 2025 New challenge: can you see the number hidden inside the image? This post and comments are published on Nostr.
In 1971, Soviet geologists working in Turkmenistan set a crater on fire to prevent the spread of methane gas, expecting it would burn for a few days. The hole has
The same side of the Moon always faces Earth, but not in exactly the same way. Due to its tilted axis and elliptical orbit, we see about 59% of its