Centuries before Neil Armstrong and Buzz Aldrin landed on the Moon, several fictional characters had already set foot on it. In the absence of any real means to do so, literature made the journey easier.

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

Probably of Paleolithic origin and present since the first civilisations, the sling is ancient and ubiquitous not only as a weapon, but also as the paradigm of circular movement.

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

Vicent J. Martínez, Full Professor of Astronomy and Astrophysics of the University of Valencia, answers this question about the two sides of the Moon

The last song in Pink Floyd’s LP The Dark Side of the Moon, published in 1973, mentioned it: «There’s no dark side of the Moon really. Matter of fact, it’s all dark. »

And Why Is the Mediterranean Higher during the Winter? Question asked by FRANCESC AGUILAR I DOMENJÓ (Grau de Castelló). JOSEP L. PELEGRÍ answers: Both of our reader’s questions deal with sea tides, so it seems sensible to answer them together. The first has to do with what

© NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington. Picture of the Ausiàs March crater in Mercury obtained by the Messenger mission. The first Europeans to ever arrive in America found a new word but they did not know its toponymy. The conquerors, not very refined