30

Stories about: magnetic activity

Weird Sunspots Appear on the Sun's Surface The 24th Solar Cycle is believed to have begun a few weeks ago with the appearance of the first sunspot on the surface of the Sun, however the solar activity was relatively calm until now. This week, European Space Agency's Solar and Heliospheric Observatory detected a group of three sunspots which have appeared... 27 March 2008 08:11 GMT No Reason to Fear Radiation on the Moon Here on Earth, life is protected relatively well from the effects of deadly radiation, due to the planet's magnetic field, which forms a protective shield against electrically charged energetic sub-atomic particles. However, though it has been more than three decades since the last man walked on the surface of t... 12 December 2007 10:51 GMT