Archive

Posts Tagged ‘corona’

Giant “Surfing” Waves Roll Through Sun’s Atmosphere

June 10, 2011 Comments off

universetoday

Surfer waves — initiated in the sun, as they are in the water, by a process called a Kelvin-Helmholtz instability — have been found in the sun’s atmosphere. Credit: NASA/SDO/Astrophysical Journal Letters

Surf’s up on the Sun! Our favorite gnarly spacecraft, the Solar Dynamics Observatory (SDO) has caught conclusive evidence of classic “surfer waves” in the Sun’s atmosphere. But these waves trump ‘Hawaii Five-O’ surfing big time. These solar waves are about the same size as the continental U.S, and spotting these waves will help our understanding of how energy moves through the solar atmosphere, known as the corona.

Just like a surfing wave on Earth, the solar counterpart is formed by Read more…