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Did you know that our system of wind speed measurement has roots in seafaring history? Understanding wind speed was critical for sailors. Check out this video from the Little Shop of Physics ...Read more Brought to you by CMMAP
Live and recent images of the Sun from telescopes around the world and satellites in space. Spanning the spectrum from X-rays to infrared images, these views reveal sunspots, solar flares, and ...Read more Brought to you by CISM
Earthquakes happen as large blocks of the Earth’s crust move suddenly past one another because of the force of plate tectonics. These blocks of the Earth’s crust meet at cracks called faults ...Read more
Stars are huge balls of gas and plasma that give off heat and light. Our Sun is an "average" star - some stars are much larger or smaller. Stars are powered by nuclear fusion in their cores ...Read more
4/23 F5 tornado hits Gallipolis, Ohio on this date in 1968
4/23 Birthday of Max Planck, German physicist, on this date in 1858 Details
4/24 Eruption of Mount Santa Maria in Guatemala on this date in 1902