When the Sun nova's in approx 10 years, out entire solar system is going to get blasted. So - any ideas of heading to another planet to survive - is fruitless. So is going underground. The earths crust will be unlocked and a physical shift (in addition to magnetic shift) will occur, destroying everything under ground. It will be an extinction event. Very few remaining. If you really want to survive, you will need to leave the solar system - going in the opposite direction of the Galactic Current Sheet - which our solar system has already entered the outer limits of. Need greater than speed of light travel to escape (wormhole).