The Earth belongs to the solar system. The star of this system is the Sun, and the latter is orbited by 8 planets (Mercury, Venus,Read More
Category: Universe
The discovery of a similar planet to the Earth would generate a great impact and interest, especially if this planet could be habitable. But, whereRead More
Black holes are some of the most intriguing bodies of the cosmos, because they are places in space where gravity is so intense that notRead More
Black holes are some of the most interesting and mysterious objects in the cosmos. These bodies are a place in space with such intense gravityRead More
The cosmic microwave background (CMB) is the remnant, in the form of electromagnetic radiation (light), from the Big Bang. This light permeates the universe inRead More
Beyond the Earth, space is a hostile place for human beings. Near the stars, the temperature is very elevated, but this rapidly changes as weRead More
Even if it seems a simple question, the height at which space begins isn’t clear, and the definitions of the frontier between the atmosphere andRead More
Gold is a very valuable material, which is used in a great variety of industries. On Earth, this material is extracted from mines, and canRead More
Despite the success Einstein had thanks to, among others, the theories of general and special relativity, Einstein rejected to accept the answer that came outRead More
We have known for decades that the universe is in a process of accelerated expansion. This means that galaxies separate the ones from the othersRead More