Etiqueta: astronomy

Life on Venus

Fernando Ballesteros discusses the discovery of phosphine on Venus and other historical hypotheses regarding signs of life on other planets.

fotograma mart
Stepping on Mars… or not

We seem to be living a sweet moment for manned exploration missions to Mars. There are several projects underway, both by private companies and space agencies, which aim to be the first to put a human being on Mars. Does this mean that we are now going to make the ancient dream of stepping on Mars come true?

Leap Years
Why do we have leap years?

2020 will have an extra day, but what is the origin of this leap year? Amelia Ortiz-Gil, PhD in astrophysics and disseminator for the Astronomical Observatory of the University of Valencia, answers.

Moon
Save the moon

The author shows his concern regarding space agencies' and private companies' recent interest on exploiting the Moon's resources.

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.

superlluna
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.