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Dagens bilde
WAB BDhe 4/4 railcar no. 115 with a Bt control car headed down from Kleine Scheidegg to Wengernalp, Switzerland.
Dagens media
A video of the collapse of the 305-meter Arecibo Telescope on 3 December 2020.
The telescope was used for the earliest intentional interstellar radio message by humanity and Earth in 1974 to a star system about 25,000 light years from Earth, the Arecibo message. It was completed in 1963 and remained the world's largest single-aperture telescope until 2016. Its decommissioning was announced one month before its unintentional collapse. Delta
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Månedens fotoutfordring
Ta bilder og last dem opp i vår månedlige tematiske fotoutfordring. Bli inspirert og prøv nye ting! Les mer om fotoutfordringene! Highlights
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