SPACE WEATHER EVENT ON MARS: Last month, a human astronaut standing on
the surface of Mars could have seen something amazing. The night sky of
the Red Planet turned green in a global display of Northern Lights.
Unfortunately, the same astronaut would have been irradiated by high
energy particles from the sun. For three days in mid-September a solar
storm enveloped Mars, crossing thresholds of ground-level radiation and
auroras that orbiters and rovers had never seen before. Such global
events on Mars may be more common than previously thought--a topic
explored on today's edition of Spaceweather.com.
This artist's concept shows a solar coronal mass ejection (CME) bearing
down on NASA's MAVEN spacecraft in orbit around Mars