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Latest Yohkoh Stories

d2dfd66efb0beba929733b696038fd2e1
2010-10-17 10:50:51

Want to build a pinhole camera to look at an eclipse? Or learn more about how gigantic telescopes examine the sun? The place to go on the Web is solarweek.org from October 18-22. Twice a year, Solar Week provides a weeklong series of web-based educational activities for classrooms about our magnetic variable star, the sun, and its interactions with Earth and the solar system.Each day of Solar Week offers a different set of lessons and games for students ranging from the upper elementary to...

4851aca44cc30213a726f698b0148d1e1
2005-05-11 13:00:00

PPARC -- Solar physicists have observed the smallest ever coronal mass ejection (CME) - a type of explosion where plasma from the Sun is thrown out into space, sometimes striking the Earth and damaging orbiting satellites. The observation has come as a great surprise to scientists and has turned previous ideas up-side-down. To date studies of these phenomena have focussed on large explosions which are easier to detect and which have massive footprints on the Sun, sometimes covering thousands...