On February 14, 1990, 6,000 million kilometers from Earth, the Voyager 1 He took a photo. There, sustained in space by the mysterious forces of. Space-time, our planet is nothing more than a light blue motor between the sunlight reflected by the camera. Four years later, Carl Sagan baptized that photo as “that pale blue … Read more
One of the great challenges of cartographers trying to create world maps is the impossibility of recreating the surface of a sphere in a plane. At least faithful, precise and legible. The map on disk. He last attempt For creating a map that minimizes the distortions associated with the representation of the surface of the … Read more
Two current trends in geopolitics are the Rare earth and submarine cables. The first because China has the pan for the mango and are essential for the construction of today’s world. The second because that world cannot be understood without them and we are seeing that they are an element of pressure in A scenario … Read more
If there is an resource that dominates the geopolitical panorama of today, that is that of the Rare earth. Are essential for many technological fields among which are electric vehiclessystem elements renewable energies and the technological world in general, and China dominates both its mining and its production. The rest of the world seeks a … Read more
He Asteroid 2024 YR4 He has aroused unusual interest since his discovery on December 27. Although the probability of impact with the earth remains very low, has risen from 1 to 2% As new observations are obtained. However, astronomers are having difficulty measuring their size and have decided to resort to the most powerful space … Read more
The last NASA calculations They place the probability that the asteroid 2024 YR4 impact with the land by 2.3%, a figure that the European Space Agency (ESA) has confirmed with Its own 2.27% estimate. For those who have lost their account, in just one week of observations We have gone from 1 between 83 possibilities … Read more
The chances of crashing an asteroid of “large” category on our planet They are, on average, 0.001%. Therefore, everything that begins to raise that figure begins to be “less” normal. Hence Let’s talk about 2024 YR4 and its 1.6%. That said, and although there are less possibilities that it will occur, due to its size, … Read more
At the end of March last year, NASA launched a very special statement. The agency came to say that the biggest object that will happen near the earth will be An asteroid that will approximate 32,000 kilometers And it can be seen with the naked eye on April 13, 2029. A few hours ago, NASA … Read more
We are still far from build a dyson spherebut China seems willing to materialize The first great Solar Energy Station in orbit With the Earth, a simpler version of the concept that, even so, NASA scientists discarded in the 70-80 for being economically unfeasible. Times have changed and the world is in full energy transition … Read more
We knew that the Chinese nation was not going wrong with The “Gold Fever” of the 21st centurysomething similar in terms of mining fever unleashed in California in the mid -nineteenth century, but without the dazzling element so precious and marked by rare earths. However, if what is about “pure gold”, they were not badly … Read more
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