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In the course of the last few decades, the discovery of thousands of planets around other stars has unveiled a wide variety of planetary systems whose architecture defies our understanding of planet formation. The search for disks of gas and dust around young stars, from which planetary systems stem, is fundamental to explain newly observed worlds, and a recent finding confirms that miniature systems can exist.  

A lo largo de las últimas décadas, el descubrimiento de  miles de planetas en torno a otras estrellas ha demostrado una gran diversidad de sistemas planetarios, cuya arquitectura desafía nuestra comprensión de cómo se forman los planetas. La búsqueda de discos de gas y polvo en torno a estrellas jóvenes, germen de los sistemas planetarios, resulta fundamental para explicar los nuevos mundos observados, y un reciente hallazgo confirma que también pueden formarse sistemas planetarios en miniatura.

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The atmosphere provides us with vital support and equally protects us from harmful radiation, impacts of small asteroids, and other harmful elements. At the same time, however, it constitutes an obstacle for most astronomical observations. For this reason, astronomers try to locate observatories either in the high altitude of mountains or on satellites. Since most of the limiting effects, however, occur only in the first 20 to 30 km of the atmosphere above ground, the use of stratospheric balloons is an effective option, potentially much cheaper than satellite launches.

The president of Junta de Andalucía, Susana Díaz, has committed the support from her govern, within the scope of its competences, for the observatory continuity, as its German partner will leave at the end of 2018.

La presidenta de la Junta, Susana Díaz, ha comprometido el apoyo del Gobierno andaluz, en el ámbito de sus competencias, para la continuidad del observatorio astronómico hispano-alemán de Calar Alto (CAHA), cuyo socio germano se desvincula del proyecto en diciembre de 2018.