Etiqueta: universe

Kessler syndrome

Kessler Syndrome refers to an avalanche-like phenomenon in which, from a critical density of objects, a collision with space junk produces more junk, which in turn causes more collisions.

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A look at the cosmos

Violent Universe, Mètode's latest issue, has had the collaboration of the Valencian artist Aurora Valero (Alboraia, 1940). With her powerful and colourful works, she offers her interpretation of the origin and creation of the universe. She explains on MètodeTV. [English language subtitles are available for this

Violent universe

We see the sky and admire its regularity and stability, its apparent immutability. We have always done so; it does not come as a surprise, since humans have always been startled by any change in the sky, associating it with omens or the mood swings of gods. At that time, they might call these changes «new stars», even if they were, for example, a supernova explosion, as in the case of Tycho’s supernova in the sixteenth century.

Is the Universe Old or Young?

Question submitted by FRANCESC AGUILAR I DOMENJÓ (Grau de Castelló). MANEL PERUCHO answers: The latest Background Microwave Radiation observations and type Ia cosmological supernovae indicate that the Universe has a flat geometry and its expansion is accelerating. This fact, which seems unrelated to the question, is

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The Cosmos Soundtrack

Foto: Arthur CaravanFragment of the cover of Atles enharmònic (self-produced, 2011), Arthur Caravan's album that includes a song inspired by Pythagoras. Music has accompanied humanity throughout history, however, it is not exclusive to humans. We know it exists in the animal

Music to share with the stars

You probably remember Steven Spielberg's 1977 film Close Encounters of the Third Kind in which, in a memorable final scene, humans communicate with aliens with music, specially with that well known "D E C C G" melody that would be later hummed by everyone.