Thread: Birch World
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Old April 3rd, 2021, 11:28 AM
Werner Werner is offline
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Default Birch World

Black Hole
Mass: 1,537,268,497,607 Suns
Radius: 0.48 light years
Surface gravity: 9.896 meters per second squared.

https://www.omnicalculator.com/physi...zschild-radius
This is an almost black hole, the figures above are for a black hole this size. Notice the gravity is just above that for the surface of the Earth. The actual value is 9.81 meters per second squared.
9.81/9.896= 0.99130962

Birch World
Mass: 1,523,909,050,200.7 Suns
Radius: 0.48 light years
Surface Gravity: 9.81 meters per second squared.
The radius in astronomical units is 30,294.46 AU.

What if we had a hollow shell and put our Solar system in its center? Yes it is also a Dyson Sphere with the mass of over one thousand galaxies. (1.5 quadrillion Suns) yet at a radius of 0.48 light years, the thickness of the shell need only about equal to the thickness of our planet to equal that much mass. How do we support it? Using orbital rings, lots of them! The orbital rings are spinning at slight greater than orbital velocity, and remember, the gravity diminishes the deeper you go under the surface of the Birch World, util you go completely inside the birch shell, (where we assume its mass is evenly distributed) where all the shells mass gets cancelled out, you are still at the bottom of an enormous gravitational well and the gravitational time dialation effects with the rest of the universe are quite significant. We'll assume there are fusion reactor built into the shell, the actual shell's thickness is about the diameter of Saturn. (1/10th the density of the Earth), there are corridors one can fly through to get to the surface of the birch World, and daylight is provided by an outer shell supported by air pressure underneath at an altitude of 10 km above sea level.

A fake Sun image is projected onto the inner surface of this shell. If one were to get above this ceiling, there is a trace atmosphere above it, more substantial air pressure underneath, and the trace atmosphere consists mostly of nitrogen and oxygen which diminishes to a vacuum with further altitude. The outer shell is transparent at night, but at night, there is nothing to see. The sky above is black. If parabolic dish telescopes are trained on it cosmic microwave background radiation is detected which was blue shifted from radio waves. The universe surrounding the birch World is extremely ancient, there are no stars, and it may be trillions to quadrillion of years old. The birchworld on the other hand has enormous habitable area.
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