Day: July 12, 2025

Putting the X-59 to the Test

Researchers from NASA and the Japanese Aerospace Exploration Agency (JAXA) recently tested a scale model of the X-59 experimental aircraft in a supersonic wind tunnel located in Chofu, Japan, to assess the noise audible underneath the aircraft. The test was an important milestone for NASA’s one-of-a-kind X-59, which is designed to fly faster than the speed of sound without causing a loud sonic boom.

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Picture of the day





Apse of the higher church in the Royal Monastery of San Juan de la Peña, Huesca, Aragon, Spain. It was one of the most important monasteries in Aragon in the Middle Ages. Its two-level church is partially carved in the stone of the great cliff that overhangs the foundation. San Juan de la Peña means “Saint John of the Cliff”. The lower church includes some mozarabic architectural surviving elements, although most of the parts of the monastery (including the impressive cloister, under the great rock) are Romanesque. After the fire of 1675, a new monastery was built. The old monastery (built in 920) was declared a National Monument on 13 July 1889, and the new monastery in 1923.
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Picture of the day
Apse of the higher church in the Royal Monastery of San Juan de la Peña, Huesca, Aragon, Spain. It was one of the most important monasteries in Aragon in the Middle Ages. Its two-level church is partially carved in the stone of the great cliff that overhangs the foundation. San Juan de la Peña means “Saint John of the Cliff”. The lower church includes some mozarabic architectural surviving elements, although most of the parts of the monastery (including the impressive cloister, under the great rock) are Romanesque. After the fire of 1675, a new monastery was built. The old monastery (built in 920) was declared a National Monument on 13 July 1889, and the new monastery in 1923.
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