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APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Aurora From Space
Explanation: What do auroras look like from space? From the ground, auroras dance high above clouds , frequently causing spectacular displays . The International Space Station (ISS) orbits just at the same height as many auroras , though. Therefore, sometimes it flies over them, but also sometimes it flies right through. The auroral electron and proton streams are too thin to be a danger to the ISS , just as clouds pose little danger to airplanes . ISS Science Officer Don Pettit captured a green aurora, pictured above in a digitally sharpened image. From orbit , Dr. Pettit reports, changing auroras can appear to crawl around like giant green amoebas . Far below, on planet Earth, the Manicouagan Impact Crater can be seen in northern Canada .
Have you seen today's: Space Station Science Picture of the Day ?
| Date | April 8, 2003 |
|---|---|
| Credit | Credit: Don Pettit , ISS Expedition 6 , NASA |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |