For the first time, NASA released a sonification simultaneously with news results associated with two of its telescopes, the Imaging X-ray Polarimetry Explorer (IXPE) and the Chandra X-ray Observatory. The data cover the region near the supermassive black hole at the center of the Milky Way galaxy. The black hole, known as Sagittarius A*, is barely seen in the lower right-hand of the visual image that contains X-ray data from IXPE (red-orange) and Chandra (purple). In the sonification of these data, the cursor begins at Sagittarius A* and moves out as a growing circle toward the center of the image. As it encounters IXPE data, the volume of the notes changes according to the brightness of the X-rays. The brighter the Chandra data, the higher the musical pitch and vice versa. When the cursor travels over a large patch of X-rays both from Chandra and IXPE in the center of the image, a rushing sound is heard. This region is where scientists find a “light echo,” a high-energy relic left behind from an eruption from Sagittarius A* about 200 years ago.

Sagittarius A* Light Echo Sonification

https://www.nasa.gov/podcasts/houston-we-have-a-podcast/small-payloads-big-science/

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On episode 338, experts from NASA’s Stennis Space Center discuss the facilities that support RS-25 engine testing for the Space Launch System and future Artemis missions.

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On episode 339, a payload developer and surgeon discuss testing a robotic surgery technology demonstration aboard the International Space Station.

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Par Anne-Claire Ruel
Daniel Kunth, astrophysicien, initiateur de la Nuit des Étoiles
Générique : Almeria, "Toxins"
Bande son :
Ben Harper, "The Woman in you"
The Rolling Stones, "Wild Horses"
Damien Rice, "Woman like a man"

Episode 14 - Daniel Kunth, astrophysicien, initiateur de la Nuit des Étoiles

Le podcast d'Anne-Claire Ruel qui explore notre rapport au temps et ses injonctions. Au fil des épisodes, réalisateurs, écrivains, philosophes nous éclairent sur ces moments. Qu’ont-ils de si subversif que la société ne saurait, aujourd’hui encore, les tolérer ? 
Crédit illustration à la Une : Emmanuel Polanco / Colagene.com

Episode 14 - Daniel Kunth, astrophysicien, initiateur de la Nuit des Étoiles

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