On August of 27 at 12 p.m. lift up your eyes and look at the night sky. On this night all 10 planets in the Solar system will pass just 34.65 miles from the Earth. The naked eye it will look like 25 moons above the ground, and armed - twice! The next time such will be in 2287.
No one now living on Earth has not seen it. Last who saw it was Herostratus (after that  he  burned the Artemida's temple)!