History Unhinged on Instagram: "Explore the staggering scale of the Pacific Ocean, the largest and deepest geographical feature on our planet. Formed over 750 million years ago through the breakup of the supercontinent Rodinia, the Pacific basin (formerly the Panthalassic Ocean) has shaped global climate, trade, and migration for millennia. Covering more than one-third of the Earth’s surface, the Pacific is so vast that it disrupts our perception of geography. Its massive size acts as a heat res