extraterrestrial
Speculation, theory, UFOs and Aliens. Are we alone in this universe or is there life outside Earth?
The fastest speed in the universe is not the speed of light. Humans may live in a three-dimensional space-time created by an advanced civilization
To understand the fastest speed in the universe, we must first understand what the speed of light is. The speed of light is actually the propagation speed of a light wave or electromagnetic wave in a vacuum and medium. The speed of light has nothing to do with the speed of the observer. Simply That is to say, whether the light source is stationary or in motion, the observed speed of light is actually the same. If the moving speed of a substance is close to the speed of light, the mass of the substance will also be infinite. No mass can reach the speed of light. In nature, only photons with zero mass can move at the speed of light.
By tarynalexa022 years ago in Futurism
22.8 billion kilometers away, the spacecraft sent back a photo, but it was not good news
However, some researchers believe that although human beings are now the only intelligent life in the solar system, and we may be unique in the universe, human beings may never be able to leave the solar system. What's going on? ? For this question, the spacecraft 22.8 billion kilometers away gave the answer.
By hectorberta062 years ago in Futurism
This planet is more suitable for human future immigrants to live in
Once the resources are exhausted, human science and technology will come to a halt and human civilization will face extinction. It is important to know that the survival of any life is inseparable from resources. Every existence of human beings needs the support of resources every day. Without resources, human beings cannot survive.
By claudiadella7962 years ago in Futurism