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Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
Julia (unidentified sound) was nominated for deletion. ... A picture supposedly taken by NASA's Apollo 33A5 at around the same time the sound was recorded, near the ...
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The original slow-scan television signal from the Apollo TV camera, photographed at Honeysuckle Creek on July 21, 1969. The Apollo 11 missing tapes were those that were recorded from Apollo 11's slow-scan television (SSTV) telecast in its raw format on telemetry data tape at the time of the first Moon landing in 1969 and subsequently lost.
The picture shows the galaxy cluster known as MACS0416, which is about 4.3 billion light years from Earth. The reds, blues and bright yellows of the picture represent one of the most comprehensive ...
89 Julia is the parent body of the eponymous Julia family of asteroids. Observations of 89 Julia by the VLT's SPHERE instrument identified a 'highly probable' crater 70–80 km in diameter and 4.1 ± 1.7 km deep in the southern hemisphere as the only visible possible source of the family. [10]