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
Category: General
Characteristics of nitrogen Nitrogen is the element of the periodic table of symbol N, and of atomic number 7. This means that its nucleus isRead 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
Newton’s reflector telescope, also known as the Newtonian telescope, is the most ancient known reflector telescope. As its name indicates, it was developed by theRead More
Just like the Big Crunch and the Big Freeze, the Big Rip is a theory that speculates about how could the death of the universeRead More
Galaxies are formed by billions of stars, dust, and other materials, bounded between them by gravity. These massive stellar bodies are present in many shapesRead More
If we throw a stone in the air, it will fall another time due to the gravitational force of the Earth. If we throw itRead More
Our universe is populated by many types of stars. Each type of star has a different colour, and their life varies from some million yearsRead More
As I’ve explained in the last articles, mega-constellations will be a problem to the progress of astrophysics and the detection of possible impacts against meteorites.Read More
Asteroids and comets have things in common, but their differences aren’t few, and, distinguish between these two celestial bodies can lead to confusion. Composition TheRead More