I'm from Another Earth

On January 1, 2020 AD, a huge unknown planet suddenly appeared in the earth's orbit around the sun! After that, the giant planet revolves around the sun in the Earth's orbit around the sun, and its revolution speed continues to increase. This discovery shocked the world! Countries around the world urgently enter the highest defense state! According to scientists' calculations, after 72 hours and 34 minutes, the planet will hit the earth at a speed of 157km/s! The earth is in danger. Humanity... Is already at the point of life and death! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.