~Space Weather Update~ Sun is Very Active~ X~ Class Flare
CLOSE ENCOUNTER WITH MARS: Today, Mars is at its closest to Earth for 2012. The Red Planet is only 101 million km away and shines about six times brighter than a 1st magnitude star. Look for it in the eastern sky at sunset. The burnt-orange color of Mars is very distinctive, especially when seen from rural areas with clear skies. [sky map] [images: #1, #2, #3]
STRONG SOLAR ACTIVITY: Solar activity is now high. Big sunspot AR1429, which emerged on March 2nd, is crackling with strong flares. This morning brought the strongest so far--an X1-class eruption on March 5th at 0413 UT. NASA's Solar Dynamics Observatory recorded the extreme ultraviolet flash:
