477K views · 7.3K reactions | 16,000 year evolution  A supercomputer simulation shows a turbulent molecular cloud and rotating disk of dense gas around a young star. Under the force of gravity, the disk collapses, forming spiral arms and clumps, which could result in the formation of planets or brown dwarfs. | NASA Ames Research Center | Facebook

60K views · 3.2K reactions | 20 days to touchdown. What’s it like to land on Mars? See for yourself with this interactive simulation: eyes.nasa.gov/apps/mars2020 #CountdownToMars | NASA's Perseverance Mars Rover | Facebook