But maybe a more German question is: why do physicists ask walnut questions like this? It will never happen: go ahead, right? Well, here is the agreement. Thinking about the counterfactual scenarios gives us an idea of how things work here in reality. Also, it’s fun! Do I have to say more? Okay, it could also help us build a space -labor lift.
Oh, don’t you know what a space lift is? It is a firm point of science fiction, a link from the earth to a space station in orbit in geosyncron orbit. A car that climbed was traveled up and down, just like a normal lift. Basically it is a way to go out in space with the same ease with which a lift is riding in your office in the morning, not requested rockets.
Let’s start with some basic questions and build a more complicated physics.
What is one day?
You can’t get more basic than that. But the answer is not simple. If you said that one day it’s 24 hours, you’re right and wrong. If you are out, the time when the sun is at its highest point in the sky is called local midday. If you stay there until the next local South, the amount of time spent is defined as 24 hours. So an hour is 1/24 of the time between two local south.
But wait! This is not the same as a complete revolution of the earth. If I measure the time of a complete revolution, you would find that it is Not Exactly 24 hours. The reason is that the earth is doing two things at the same time: she is turning on its axis, which makes the sun look like moving through the sky. But it is also orbit the sun in orbit over the course of a year, which means that a complete rotation will not involve the fact that the sun is in the same position in the sky.
There are actually two different types of days. THE Solar day It is what you are thinking about, and it is the one described above. The other type is called to Sidereal day. Here is a totally not on a scale diagram that will help you understand the difference:
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