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
Category: General
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
Since many years from now, the most popular hypothesis to explain the extinction of the dinosaurs 66 million years ago was the one of aRead More
For incredible it may seem, each year the Earth loses much mass. This mass loss I caused by different factors, each one with a differentRead More
Millions of years ago, the Moon was 18 times nearer from the Earth than it is in our days, and its apparent size in theRead More
Not all the days, in the planets of the solar system, have the same duration, as a day corresponds to the time that a planetRead More
The International Space Spatial is a spatial station where astronauts live for 6 months of the year. In the International Space Station (ISS) the astronautsRead More