This colossal 'Martian sunspot' is so big it was seen from M

An enormous sunspot that was seen from the surface of Mars last week has now turned to face Earth, bringing an increased chance of unsettled space weather with Earth in the firing line.

Related Keywords

Belgium , , Atmospheric Administration , World Data Center , National Oceanic , Space Weather Prediction Center , Weather Prediction Center , Sunspot Index , Long Term Solar Observations , Royal Observatory , Heliophysics Systems Observatory ,