A tornado made of boiling plasma that can rotate at speeds up to 186,000 miles (299,338 km) an hour might seem like an extraordinary phenomenon, but there are thousands of them on the sun at any given moment. Over the last few years, astrophotographer Miguel Claro has captured remarkably detailed footage of these solar twisters swirling above the sun's active surface. See more of Claro's spectacular solar images: https://on.natgeo.com/47p5X1c | National Geographic Science

Zero Shadow Day: When Reality Gets a Little Too Unreal Can you tell what is real and what isn't? The video explores why a computer-generated image can appear more real than real ones, focusing on the importance of shadows. Zero Shadow Day occurs when the Sun is exactly overhead at solar noon, causing vertical objects to cast no shadow. This phenomenon happens twice a year for locations between the Tropic of Cancer and the Tropic of Capricorn. It is due to the Earth's axial tilt and orbit around

768K views · 5K reactions | Light bends around heavy objects due to...