A 1, 000 Foot Tsunami Hit Mars 3 Billion Years Ago ( After It Should ve Already Lost Its Oceans)

Scientists have long assumed Mars water evaporated alongside much of its atmosphere when the planet s magnetic field shut off 400 million years after its formation. But new research calls this into question. Astrogeologists have found evidence of a large, waterimpacting asteroid that occurred roughly 3 billion years ago in the Martian northern plains. This caused a 1, 000 foot high tsunami that swept over land to the south, creating unique geological formations that are also dated to the same time perio