August – Agosto 8

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In 1576 the Uraniborg Observatory was founded by Tycho Brahe in the center of the island of Hveen which in 1576 had been granted to him for life by the King of Denmark. Tycho worked together with his sister Sophie Brahe who helped him in the management of the observatory. We remember the discovery of the supernova known today as SN 1572, a star that increases its brightness in a violent way due to an enormous nuclear explosion caused by the accumulation of hydrogen on the surface of a white dwarf.

Nel 1576 viene fondato l’Osservatorio di Uraniborg voluto da Tycho Brahe al centro dell’isola di Hveen che nel 1576 gli era stata concessa a vita dal re di Danimarca. Tycho lavorò assieme a sua sorella Sophie Brahe che lo aiutò nella gestione dell’osservatorio. Si ricorda la scoperta della supernova oggi nota come SN 1572, una stella che aumenta la propria luminosità in modo violento dovuta ad un’enorme esplosione nucleare causata dall’accumulo di idrogeno sulla superficie di una nana bianca.

In 1929 the German airship LZ 127 Graf Zeppelin begins a flight in which it will go around the world (it will end on August 29).

Nel 1929 Il dirigibile tedesco LZ 127 Graf Zeppelin inizia un volo in cui compirà il giro del mondo (terminerà il 29 agosto). 

In 1930 Bernard Lyot photographed for the first time, outside the eclipse, the spectrum of the inner corona of the Sun, see diagram of the Sun.

Nel 1930 Bernard Lyot fotografa per la prima volta, fuori eclisse, lo spettro della corona interna del Sole, vedi schema del Sole.

S81-30498 (12 April 1981) — After six years of silence, the thunder of manned spaceflight is heard again, as the successful launch of the first space shuttle ushers in a new concept in utilization of space. The April 12, 1981 launch, at Pad 39A, just seconds past 7 a.m., carries astronaut John Young and Robert Crippen into an Earth-orbital mission scheduled to last for 54 hours, ending with unpowered landing at Edwards Air Force Base in California. STS-1, the first in a series of shuttle vehicles planned for the Space Transportation System, utilizes reusable launch and return components. Photo credit: NASA or National Aeronautics and Space Administration

1989 – STS-28: Space Shuttle Columbia (see photo) takes off on a five-day secret military mission.

Nel 1989 – STS-28: lo Space Shuttle Columbia (vedi foto) decolla per una missione militare segreta di cinque giorni.

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Text and video source: Wikipedia, NASA

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