Actualment sabem que l'Univers s'està expandint des que es va originar en el Gran Esclat (el que en anglès s'anomena "Big Bang") ara fa tretze mil vuit-cents milions d'anys.
In this article, we talk about the Milky Way's asteroids and, in particular, from one who visited the Solar system from outer space.
Informative article that clearly explains what auroras are, why they are formed, the forms they have, etc. ...
The measurement of time seems a simple thing. However, behind to de actual clocks, there is many centuries of history and a lot of physics in each second.
On the 1609, exactly 400 years ago, Galileo Galilei directs for the first time, with a scientific spirit, a telescope to the sky. But Galileo is not only famous for this fact.
This article shows us what was the truly phenomena that crowns Jesus king of the judeans.
The article discusses the mysterious orbit of mercury and how it defied the laws of physics until the arrival of general relativity.
The whole history of transits, what people thought it was, the superstitions that they could cause, its relevance to mesure the distance to sun, etc.
In the solar systemthere isn't just other planets and satellits, there are asteroids, comets and millions of dust particles too.