Ever since I learned Mars was red because of Iron Oxide a.k.a Rust, has made me want humanity to stay clear of this planet. I picture a mass of iron filings that has rusted, and I can't imagine a worse place to be. Last week... It dawned on me... Iron. Earth's core is iron... It's what gives Earth's poles the magnetism which generates that energy field that protects us from solar radiation. So what if? - It dawned on me... What if, when we look at Mars from Earth, we're seeing an iron core of some planet that died, and before it died, before all we saw was a dead iron core, what if Mars was a lot bigger? So... IDK, one day, Earth's core'll be dead, and all the layers of Earth, like the mantel and everything, might get blown away, and all that's left, is Earth's dead iron core... and; What if due to oxidation, a dead exposed core of Earth'll look like a red planetary body too? So my theory is; Mars was bigger, and for all we know, once sustained life and for all we know, that life might have migrated to Earth? (who knows)?... But when I look at Mars, I see a skeleton of a planet, Mar's exposed iron core all oxidised (rusty), and, what if all that frozen water on Mars, is what the Pacific Ocean'd look like one day once Earth's core is completely exposed and dead? I want to write it.