Etiqueta: astronomy

aurores boreals
Why do auroras occur?

Auroras originate in the Sun. The star continuously emits particles which, when solar activity is high, reach the Earth's atmosphere in the form of large bursts of solar wind.

Kessler syndrome

Kessler Syndrome refers to an avalanche-like phenomenon in which, from a critical density of objects, a collision with space junk produces more junk, which in turn causes more collisions.

What is a supermoon?

According to the astrophysicist and communicator Javier Armentia, supermoons do not really exist. As he explains, the term is not astronomical, but vulgar astrology.

Kepler 62f

Since the first worlds were found orbiting other stars in the 1990s, in barely two decades, more than three thousand extrasolar planets have been found.

Astronomy and space on the big screen

Since its origins, cinema has been fascinated with the subject of scientific developments. In particular, astronomy and astrophysics have played an important role in science fiction stories about space travel and exploration. Though the science has not always been accurately represented, in the last decades