It's called tidal transfer of momentum, and is also the reason the Moon shows the same face to the Earth during its orbit.
|
Posted on 01/04/2019 12:07:50 PM PST by LibWhacker
On January 3rd, 2019, Earth reached the point in its orbit where it's at its closest approach to the Sun: perihelion. Every object orbiting a single mass (like our Sun) makes an ellipse, containing a point of closest approach that's unique to that particular orbit, known as periapsis. For the past 4.5 billion years, Earth has orbited the Sun in an ellipse, just like all the other planets orbiting their stars in all the other mature solar systems throughout the galaxy and Universe.
But there's something you may not expect or appreciate that nevertheless occurs: Earth's orbital path doesn't remain the same over time, but spirals outward. This year, 2019, our perihelion was 1.5 centimeters farther away than it was last year, which was more distant than the year before, etc. It's not just Earth, either; every planet drifts away from its parent star. Here's the science of why.
The force responsible for the orbits of every planet around every solar system in the Universe is the same: the universal law of gravitation. Whether you look at it in terms of Newton, where every mass attracts every other mass in the Universe, or in terms of Einstein, where mass-and-energy curves the fabric of spacetime through which other masses travel, the largest mass dominates the orbit of everything it influences.
(Excerpt) Read more at forbes.com ...
What if you round down?
If you consider that the sun’s gravity diminishes as you get further out from it then the 1.5cm would gradually increase over the course of one billion years.
It also means the earth was up to 100,000 miles closer to the sun in the distant past and that made almost no difference at all to the earth’s climate.
(-:
We might have to nuke the other side of the planet at night.
If only Trump hadn’t backed out of the Climate Summit.
#3 You are correct as global means more hot air which is expanding the planets orbit.....
I’d like to know how many climate computer models take this into account! I bet none.
It may not be a short term factor but that they don’t take into account the changing activity in the Sun is problematic for me.
“They honestly expect us to believe that baloney.”
That was my initial reaction as well.
-PJ
It's called tidal transfer of momentum, and is also the reason the Moon shows the same face to the Earth during its orbit.
|
When the world is runnin’ down
You make the best of what’s still around...
- The Police
Isn't it amazing that it just so happens that the Earth's window of time for life coincides with the sun's window of time for life. More than amazing, it's an example of a creative Hand.
The Dems are trying to find out how to tax this phenomenon.
“The Midnight Sun,” Twilight Zone
Women and Minorities Hardest Hit
So, should I scrap the plans for the Dyson Sphere or not? Tic-toc!
The Moon is also drifting away from the Earth at about two inches a year. At a distance between Earth and the Moon of around 240,000 miles it’s a kind of slow drift. Course, we could always have a big chunk of iron or a comet come smashing into us. If it ain’t one thing, it’s another.
For now everybody needs to go to one side of the planet.
It’s due to a very simple reason. As the Sun fuses hydrogen into helium, a small portion of its mass is turned into energy. As the Sun loses mass, the gravitational pull it exerts lessens (very) slightly, resulting in everything orbiting it (very) slowly expanding their orbits.
Guess I’m going to need to fire up the SUV and let it idle in the driveway every night to counteract Global Cooling.
Oh, we can tax it. Sure as shooting a dingbat dem will bring it up.
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.
