satellites

Satellites

Ferran Martin takes a look at artificial satellites orbiting our planet.

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Extraterrestrial signals

The year 2020 ended with a potential detection by the Breakthrough Listen project of an artificial signal coming from Proxima Centauri. But there was no indication of structure or modulation in the signal, no evidence that it carried any information.

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Lock-down astronomy

The street lights prevent us from gazing at their wonders and phenomena of the night sky.

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sound space

Why is there no sound in space?

In space, there is not a medium to transmit sound, so the battles going on in space would not be heard.

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bubbles

Space soap bubbles

This section of Mètode is now twenty years old. To celebrate it, I retrieve a topic I talked about in issue 34: planetary nebulae.

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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?

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still from the martian

Space explorers need to be space farmers

Space exploration will require life support systems, in which plants can provide nutrients, oxygen, moisture, and psychological well-being and eliminate wastes.

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International Space Station dome

Orbital insanity

To avoid potential psychotic episodes, the International Space Station astronauts talk weekly to their friends and family.

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Gaia: the ultimate picture of the Milky Way

At the Lund Observatory in Sweden there is a painting of the first realistic representation of our galaxy, the Milky Way. The idea of carrying out this scientific and artistic work came from the Swedish astronomer Knut Lundmark who, at the beginning of the 1950s, set out to represent the Milky Way as a whole.

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A mysterious universe

Understanding the nature of the main constituents of the universe is crucial to obtain a precise description of the way in which it reached its present state.

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