Posts Tagged ‘heliosphere’
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Heliosphere’s orientation in the Milky Way galaxy. The light blue olive-shape marks the termination shock, where solar wind slows from supersonic to subsonic speeds. The lavender area is the heliosphere’s bow shock, formed as the sun moves supersonically through the surrounding interstellar cloud. In between those two regions is the heliopause. (Credit: Priscilla Frisch, Andrew Hanson, Philip Chi-Wing Fu)
U. CHICAGO (US)—Scientists have published the first comprehensive sky maps revealing a surprising ribbon of energetic neutral atoms at the outer edge of the solar wind bubble surrounding the solar system. Continue…
Tuesday, October 27, 2009 10:37 - 2 Comments
Science & Technology - Oct 20, 2009 11:00 - 0 Comments
Cassini reshapes view of solar system
JOHNS HOPKINS (US)—It turns out that the solar system may look more like a basketball than a comet. Images from one of the sensors on NASA’s Cassini spacecraft suggest that the heliosphere—the region of our sun’s influence—may not have the comet-like shape predicted by existing models. (more…)
