Vicent J. Martínez
Full Professor of Astronomy and Astrophysics. Astronomical Observatory of the University of Valencia.

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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En el marc de la teoria general de la relativitat, Einstein va postular l’existència de les ones gravitacionals, encara que pensava que mai es podrien detectar.
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Artistic representation of the Kepler space telescope observing planetary transits in a distant star. / NASA Recently, a star with a very unromantic name,

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És evident que no sols hi ha cinc planetes nans, sinó que segurament n'hi ha molts més, possiblement milers.
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National Gallery, LondonTintoretto. The Origin of the Milky Way. The name of the Milky Way is the Latin version of

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Ja ho deia la darrera cançó de l'àlbum de Pink Floyd 'The Dark Side of the Moon', publicat el 1973: «There's no dark side of the Moon really. Matter of fact, it's all dark.»
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Cortesia de Harvard College Observatory Harvard's «computers» in 1891. Williamina Fleming is standing in the centre of the image and Edward

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© Photo: Javier Díez (www.jdiez.com). Montage of the constellations: Fernando Ballesteros. The night sky from the Observatory of the University

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Al llarg de la història de l’astronomia, diferents pensadors, filòsofs i científics han postulat l’existència d’entitats que, tot i no ser visibles o detectables en la seua època, o potser mai, eren, no obstant això, necessàries per a mantenir l’estabilitat del cosmos, tal com ells ho veien i ho entenien.
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