119K views · 1.8K shares | Cameras aboard the International Space Station captured video of Tropical Cyclone Donna from space earlier today. | International Space Station | Facebook

24K views · 2.6K reactions | Tick-tock, the Sun’s like a clock — but much more complex to predict. Scientists use a combination of observations, models, and mathematical techniques (including a "solar clock" analysis) to understand how the Sun will behave in the upcoming solar cycle. https://go.nasa.gov/3kzpLoF | NASA’s Goddard Space Flight Center | Facebook