Direct imaging of exoplanets can seem to be the most simple system of all the different methods that exist, but, in fact, it is theRead More
Category: General
The search for planets beyond the solar system started only some decades ago, and in November 2022, the number of discovered exoplanets (planets that areRead More
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
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
Leaving aside the Sun, the closest star to the Earth is Proxima Centauri. This star belongs to a stellar system named Alpha Centauri, formed byRead More
Naturally, the closest star to the Earth is the central star of our solar system: the Sun. Our star belongs to the yellow dwarf categoryRead More
Meteorites are rocky objects from space, that, when crossing with the Earth or any other planet, impact against them, releasing in the process huge amountsRead More
In the solar system there are billions of asteroids of all sizes. Sometimes, these asteroids deviate from their orbits, making it possible for them toRead More
Lightning is a very dangerous phenomenon. They are responsible for many deaths and serious injuries every year. Lightning rods are installed to protect buildings againstRead More
Characteristics of sodium Sodium is the element of the periodic table of symbol Na and atomic number 11. This means that its nucleus is formedRead More