Though it sounds weird, the core of the Earth is about 2.5 years younger than the crust and this is due to gravitational time dilation, a consequence of General Relativity https://t.co/hVqzPxV2I6 [gif: https://t.co/eQ1xJa6G2p] pic.twitter.com/SVd8Zz53QD
— Massimo (@Rainmaker1973) August 5, 2019