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🎪 The bright lights beckon you…
Only three humans have ever witnessed an eclipse of the Sun by the *Earth*. It happened while the Apollo 12 crew was returning home from the Moon, on November 21, 1969.
Fortunately, the astronauts filmed the moment so you can share in the experience.
https://archive.org/details/Apollo1216mmOnboardFilm [at the 4:50 mark] #space #science #nasa #eclipse
Film taken includes a solar eclipse, Charles Conrad and Alan Bean on lunar surface, and scenes of Lunar Module (LM) during lunar orbital rendezvouz and...
What is "normal" anyway?
Astronomers have found multi-planet systems around a number of nearby stars, but none that's much like our own. They're not a lot like each other, either.
We still don't know what a normal planetary system looks like, or if there even is such a thing.
https://astrobiology.com/2024/01/unraveling-the-mysteries-of-planet-formation-and-evolution-in-a-distant-solar-system.html #science #nature #astronomy
All I could think when I read this was that 1990 film Total Recall and how there was a reactor under Mars' surface that was designed to generate a (breathable to humans) atmosphere.
There is enough water beneath Mars' surface to cover that entire planet in a shallow ocean.
«A team o researchers from multiple countries, including those from #MassachusettsInstituteOfTechnology ( #MIT ) & #UniversityOfBirmingham, have discovered new way 2 determine whether #exoplanets r habitable or potentially inhabited.
The research, published Thurs in #NatureAstronomy, shows that if a planet has less carbon dioxide in its atmosphere than its neighbours, it implies the presence of liquid water – the determining factor for habitability»