'Martian' sunspot 15 times wider than Earth could soon bombard us with solar flares (photo & video)
A sunspot so big it 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.
TroibNews 
A sunspot so big it 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.
