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13/09/2024
INVENTIONS A L'HORIZON 2050 - Le robot ouvrier envahira les usines
12/09/2024
ASTRONOMY - Young Star Cluster NGC 1333
2024 September 12
Image Credit: ESA/Webb, NASA, CSA, A. Scholz, K. Muzic, A. Langeveld, R. Jayawardhana
Explanation: This spectacular mosaic of images from the James Webb Space Telescope peers into the heart of young star cluster NGC 1333. A mere 1,000 light-years distant toward the heroic constellation Perseus, the nearby star cluster lies at the edge of the large Perseus molecular cloud. Part of Webb's deep exploration of the region to identify low mass brown dwarf stars and free floating planets, the space telescope's combined field of view spans nearly 2 light-years across the dusty cluster's turbulent stellar nursery. In fact, NGC 1333 is known to harbor stars less than a million years old, though most are hidden from optical telescopes by the pervasive stardust. The chaotic environment may be similar to one in which our own Sun formed over 4.5 billion years ago.
11/09/2024
POISSONS EXOTIQUES - Le baliste clown
ASTRONOMIE NEWS - L’éclipse partielle de Lune du 18 septembre 2024
ASTRONOMY - A Night Sky over the Tatra Mountains
2024 September 11
Image Credit: Marcin Rosadziński; Text: Natalia Lewandowska (SUNY Oswego)
Explanation: A natural border between Slovakia and Poland is the Tatra Mountains. A prominent destination for astrophotographers, the Tatras are the highest mountain range in the Carpathians. In the featured image taken in May, one can see the center of our Milky Way galaxy with two of its famous stellar nurseries, the Lagoon and Omega Nebula, just over the top of the Tatras. Stellar nurseries are full of ionized hydrogen, a fundamental component for the formation of Earth-abundant water. As a fundamental ingredient in all known forms of life, water is a crucial element in the Universe. Such water can be seen in the foreground in the form of the Bialka River.
10/09/2024
PLANTES FASCINANTES - Hoya carnosa
ASTRONOMIE - Préparez-vous : une nouvelle étoile va apparaître dans le ciel d'un jour à l'autre !
ASTRONOMY - Horsehead and Orion Nebulas
2024 September 10
Image Credit & Copyright: Antoine & Dalia Grelin
Explanation: The dark Horsehead Nebula and the glowing Orion Nebula are contrasting cosmic vistas. Adrift 1,500 light-years away in one of the night sky's most recognizable constellations, they appear in opposite corners of the above stunning mosaic. The familiar Horsehead nebula appears as a dark cloud, a small silhouette notched against the long glow of hydrogen -- here shown in gold -- at the lower left. Alnitak is the easternmost star in Orion's belt and is seen as the bright star to the left of the Horsehead. Just below Alnitak is the Flame Nebula, with clouds of bright emission and dramatic dark dust lanes. The magnificent emission region, the Orion Nebula (aka M42), lies at the upper right. Immediately to its left is a prominent reflection nebula sometimes called the Running Man. Pervasive tendrils of glowing hydrogen gas are easily traced throughout the region.
09/09/2024
INVENTIONS A L'HORIZON 2050 - Des aliments sur mesure
ASTRONOMY - Mars: Moon- Craters and Volcanos
2024 September 9
Image Credit: ESA, DLR, FU Berlin, Mars Express; Processing & CC BY 2.0 License: Andrea Luck; h/t: Phil Plait
Explanation: If you could fly over Mars, what might you see? The featured image shows exactly this in the form of a Mars Express vista captured over a particularly interesting region on Mars in July. The picture's most famous feature is Olympus Mons, the largest volcano in the Solar System, visible on the upper right. Another large Martian volcano is visible on the right horizon: Pavonis Mons. Several circular impact craters can be seen on the surface of the aptly named red planet. Impressively, this image was timed to capture the dark and doomed Martian moon Phobos, visible just left of center. The surface feature on the lower left, known as Orcus Patera, is unusual for its large size and oblong shape, and mysterious because the processes that created it still remain unknown. ESA's robotic Mars Express spacecraft was launched in 2003 and, among many notable science discoveries, bolstered evidence that Mars was once home to large bodies of water.
MUSIQUE - Scott Joplin - The entertainer
"The entertainer" Scott Joplin (entre juillet 1867 et janvier 1868 - 1er avril 1917) était un compositeur et pianiste afro-américa...
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2021 May 11 Lightning and Orion Beyond Uluru Image Credit & Copyright: Park Liu Explanation: What's happening behind Uluru? A Un...
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The Witch Head Nebula Image Credit & Copyright: Digitized Sky Survey (POSS II); Processing: Utkarsh Mishra Explanation: ...