Say goodbye to Mars! The Red Planet hides behind the sun for 2 weeks Mars will disappear from the sky for a few weeks on Saturday (Nov. 18), moving to the opposite side of the sun as seen from Earth during the Red Planet’s period of solar conjunction. https://cdn.mos.cms.futurecdn.net/HYwvcR5aZE9rNq6Pk2zSFD.jpg https://www.space.com/mars-solar-conjunction-november-2023