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Hubble mosaic of the majestic Sombrero galaxy.
Hats Off to the Sombrero

This nearly edge-on view of the Sombrero galaxy shows that the disks of spiral galaxies are incredibly thin. The majestic spiral arms cannot be seen in this side view of the Sombrero, named because it ...
The SOHO spacecraft recorded this CME on July 14, 2000. High-energy particles accelerated by the blast peppered the spacecraft
Solar Spitwads

Take a piece of paper. Make a little wad. If you're a kid, spit on it. Put it in a straw and blow hard. If your teacher sends you to the principal's office, here's your excuse: you were making a model ...
Sound is just a sensation created in the human brain in response to small pressure fluctuations in the air.
The Doppler Effect

As any object moves through the air, the air near the object is disturbed. The disturbances are transmitted through the air at a distinct speed called the speed of sound, because sound itself is just ...

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