Monday 4 July 2022

If It's After 7am, Ignore Below

If you awake at 7am this morning take a look out the window at the Sun (may not apply in Britain) and ponder that the lump of rock that you woke up on this morning is the farthest away from the Sun as possible, or Aphelion as it's also called.
This ball of rock rotating at 900mph careening through the Universe at 40,000 miles an hour will be 94.51 million miles away from the massive ball of fire in the centre of our Solar System which keeps everything in it's place and unless something drastic has happened to Gravity, it will say 'Oi, Where you going?' and drag us back towards it again and stop us pinging off to Alpha Centuri or some other exotic location in the Universe.
Using a map, Wikipedia and a rusty knowledge of Longitude and Latitude, the Equator dwelling 635 inhabitants of Kuma Village in Kiribati in the Gilbert Islands will be the people the furthest away from the Sun on the opposite side of the planet at 7am GMT, or 6pm their time, so if they do look up and think to themselves, 'Hmmm...that's strange, Venus is looking larger today', then it means they will be the first to know that  something drastic has indeed happened to Gravity although it is a safe bet that as the Earth is 4.54 billion years old which means it has been in the exact same situation 4.54 billion times before and the Sun has always dragged us back, it's a safe bet it will do it again this time and not make a mockery of Kepler's laws of planetary motion.
The opposite to Aphelion is Perihelion when the Earth will be closest to the Sun and that is penciled in to happen on January 4, 2023 when the Planet will be 3 million miles closer to the Sun than today, a mere 91.4 million miles away.
What always throws my brain into a loop is why, if the Earth is 3 million miles further away from the Sun, why isn't it colder on Earth during that phase and the answer is the heat reaching us is 7% less due to the increased distance from the source but as the surface of our Planet's Oceans cover more than 70% of it, all that water distributes the heat all year round evenly throughout the Oceans keeping our Global temperature relatively stable, or as stable as Global Warming allows anyway.
Obviously if you were not awake and are reading this after 7am GMT then you can ignore all of the above because you missed it so carry on and enjoy the rest of your Monday.

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