Isaac Newton’s Third Law of Motion states that for every action, there is an equal and opposite reaction.

    Learning how gravity works can sometimes be a bit of a balancing act, much like learning how the fundamental laws of physics determine exactly how the Earth orbits. SciShow Space.

    Newton’s Third Law states that as you exert a sideways force on an object, it will push back on you. This is also true for gravity, which pulls two massive objects toward each other.

    The Sun’s barycenter is just outside the surface of the Sun, and the planets’ orbits tug on the Sun, which causes the Sun to wobble a little bit. This is how astronomers discover exoplanets and make more precise measurements of the distances in the solar system.

    Does Earth revolve around the sun?

    The center of mass of the solar system is not the Sun, but rather a point outside the Sun’s surface that balances out the gravitational pull of all the objects in the solar system.

    The Sun holds 99.87% of the mass in the solar system, so even if all the planets were lined up on one side, the Sun would still win.

    What If The Earth Stopped Orbiting The Sun

    Each year, Earth makes a pass around the sun. But what if, one day, it just stopped orbiting the sun altogether? Turns out, you’d only have about one month to live. #Earth #Sun

    Earth’s gravity pulls us toward the sun, but if we stop, we’d fly off the planet and hurtle into space. The Earth would get very hot, and we’d die in two months.

    By day 21, global temperatures will have jumped to 35 degrees, and by day 35, they will have reached 48 degrees, which is as hot as an average summer day in Death Valley. Humanity will die without air conditioning.

    By day 41, Earth has passed Venus, and temperatures have climbed to 66 degrees. By day 54, the last remnant of life on Earth flickers out, and by day 65, Earth tears apart, bleeding liquid rock as temperatures hit 3,800 degrees.

    What If The Earth Spun Sideways On Its Axis

    The Earth already spins on a slight tilt, causing the seasons. If it spun horizontally, extreme winters and summers would doom life as we know it. #Earth #Axis

    Earth’s axial tilt means that different parts of the globe receive different amounts of sunlight during each season. If Earth’s axis were tilted, even more, the contiguous US would receive 24/7 sunlight, around the clock, for months on end.

    If humans were exposed to unending sunlight, they would suffer from sleep deprivation, depression, and a more severe version of seasonal affective disorder.

    The extra hours of sunlight would make the North Pole hotter than the equator, causing the ice cap to melt and rising sea levels by 7 meters. The warmer seas would trigger stronger and more frequent hurricanes, and the winter would be colder than any winter on record.

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