If we throw a stone in the air, it will fall another time due to the gravitational force of the Earth. If we throw itRead More
Category: Universe
Our universe is populated by many types of stars. Each type of star has a different colour, and their life varies from some million yearsRead More
Asteroids and comets have things in common, but their differences aren’t few, and, distinguish between these two celestial bodies can lead to confusion. Composition TheRead More
Normally, we use anyone of these names indistinguishably. Even if they are very similar names, they all refer to different situations. In essence, these threeRead More
In the universe, there are many celestial bodies that emit light and others that reflect it. However, there isn’t only a single type of light,Read More
The fact that the space is black, is a thing that we know instinctively since the first time that we look to the night sky,Read More
The distances in the universe are so big, that not even the biggest measures that we use in the International System, are useful to usRead More
During the first years of the space era, it wasn’t given much importance to the theme of the space junk. But since the first lunarRead More
In the solar system we know many planets, either the named rocky planets, as the Earth, the gaseous planets, as Jupiter, or the dwarf planets,Read More
Even if in the Earth we can hear many sounds and we communicate verbally, in the space it doesn’t happen the same thing. In theRead More