According to NASA’s Space Weather website the sun is in the middle of a solar minimum, with 266 sunspot-free days last year – the lowest for nearly a century.
Should we be concerned about solar storms in 2012?
28 Sep 09 – Planning a trip to Mars? Take plenty of shielding. According to sensors on NASA’s ACE (Advanced Composition Explorer) spacecraft, galactic cosmic rays have just hit a Space Age high.
21 Jul 09 – Reader J.T. Tregidga wonders what I think of Dr. Paul LaViolette’s Galactic Core Explosion theory.