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10/10/2024
MUSIQUE - Mikko Franck et l'Orchestre Philarmonique de Radio France - Maurice Ravel - Nuit
SANTé/MEDECINE - ALIMENTATION - NUTRIMENTS - Les protéines : un source immédiate d'énergie
ASTRONOMY - Five Bright Comets from SOHO
2024 October 10
Image Compilation Credit: Tunc Tezel (TWAN)
Explanation: Five bright comets are compared in these panels, recorded by a coronograph on board the long-lived, sun-staring SOHO spacecraft. Arranged chronologically all are recognizable by their tails streaming away from the Sun at the center of each field of view, where a direct view of the overwhelmingly bright Sun is blocked by the coronagraph's occulting disk. Each comet was memorable for earthbound skygazers, starting at top left with Comet McNaught, the 21st century's brightest comet (so far). C/2023 A3 Tsuchinshan-Atlas, approaching its perihelion with the active Sun at bottom center, has most recently grabbed the attention of comet watchers around the globe. By the end of October 2024, the blank 6th panel may be filled with bright sungrazer comet C/2024 S1 Atlas. ... or not.
09/10/2024
LES NUAGES DIEUX DU CIEL - Les cumulus n'empêchent pas le soleil de briller
INVENTIONS A L'HORIZON 2050 - L'avion sera silencieux et économe
ASTRONOMY - M106: A Spiral Galaxy with a Strange Center
2024 October 9
Image Credit & Copyright: Ali Al Obaidly
Explanation: What's happening at the center of spiral galaxy M106? A swirling disk of stars and gas, M106's appearance is dominated by blue spiral arms and red dust lanes near the nucleus, as shown in the featured image taken from the Kuwaiti desert. The core of M106 glows brightly in radio waves and X-rays where twin jets have been found running the length of the galaxy. An unusual central glow makes M106 one of the closest examples of the Seyfert class of galaxies, where vast amounts of glowing gas are thought to be falling into a central massive black hole. M106, also designated NGC 4258, is a relatively close 23.5 million light years away, spans 60 thousand light years across, and can be seen with a small telescope towards the constellation of the Hunting Dogs (Canes Venatici).
08/10/2024
ASTRONOMIE - Premières photos de la comète Tsuchinshan-Atlas
ASTRONOMIE - Comment voir la comète Tsuchinshan-ATLAS ?
LES NUAGES DIEUX DU CIEL - Cirrus rouges
LA TERRE VUE DU CIEL - Houston ; siège du Centre spatial Johnson de la Nasa
Houston n'est pas seulement la ville qui abrite le siège des vols habités de la Nasa . Elle est également connue pour être la capitale ...
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2022 September 26 All the Water on Planet Earth Illustration Credit: Jack Cook, Adam Nieman, Woods Hole Oceanographic Institution ; Data ...
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La majorité des grêlons qui tombent sous les orages et les averses ne pèsent que quelques grammes. Mais il y a quelques années, c'est un...