12 km to be precise, of the earth’s 6000 odd km radius. That’s all we could acco...

		girishso on Nov 5, 2019 \| parent \| context \| favorite \| on: The young centre of the Earth (2016) 12 km to be precise, of the earth’s 6000 odd km radius. That’s all we could accomplish in entire human history. https://www.smithsonianmag.com/smithsonian-institution/ask-s...