Space elevators can work completely – if the Earth’s days are much shorter

Suppose you can Speeding the Earth’s rotation so that today was only half? What will happen? Well, for beginners, we have to create new watches that only have hours from 1 to 6 for AM and PM. If you have tickets at 8 o’clock, you will be lucky: 8 o’clock no longer exists.

But perhaps the most closely close question is, why do physicists ask questions like this? This will never happen – just move, right? Well, here is the deal. Thinking about anti -scenarios gives us an insightful look at how things work here actually. In addition, it’s fun! I need to say more? Well, this may help us build an elevator.

Oh, you don’t know what is the space elevator? It is an essential component of science fiction, and connecting from Earth to a satellite station orbit in a geographical orbit. The cable climb car was riding up and down, just like the ordinary elevator. It is essentially a way to get out to space easily and routinely, as you ride the elevator to your office in the morning – not required.

Let’s start with some basic questions and build some of the most complex physics.

What is today?

You can’t get more essential than that. But the answer is not simple. If you say one day 24 hours, you are right – and a mistake. If you stand outside, the time when the sun is at the highest point in the sky is called local back. If you are standing there until the next local back, the amount of time is defined as 24 hours. So one hour/24 time between two local Nunes.

But wait! This is not the same as a complete revolution from the earth. If you measure the time of the full revolution, you will find that no Exactly 24 hours. The reason is that the Earth is doing two times at the same time: it revolves around its axis, which makes the sun move across the sky. But it revolves around the sun throughout the year, which means that the full rotation will not lead to the sun in the same position in the sky.

There are already two different types of days. the Solar Energy Day He is the person you think, and he is the person shown above. The other type is called Sidreal Day. Here is a totally unspecified scheme that will help you understand the difference: