2023-12-12 14:20:13 Cassiopeia A (Case A) is the remnant of a supernova in the Milky Way in the form of a kind of very hot plasma bubble about 13 light years in diameter and which telescopes in space can observe in the constellation Cassiopeia. The James Webb’s piercing infrared gaze reveals new details about Cas … Read more
2023-12-03 20:40:16 This will also interest you [EN VIDÉO] Understanding the mission of the James Webb Space Telescope in one minute The James Webb Space Telescope, the new flagship of space observation, will be launched on December 18… The discovery of life outside the Solar System, furthermore technologically developed, would undoubtedly be one of the … Read more
2023-11-23 20:03:11 In our atmosphere, we would tend, in these times of anthropogenic global warming, to want to see methane disappear. A powerful greenhouse gas. In the atmosphere of exoplanets, on the contrary, astronomers are excited to find them, because it opens up many perspectives for them. In the constellation Eagle, more than 160 light … Read more
2023-11-15 16:23:31 This will also interest you [EN VIDÉO] Understanding the mission of the James Webb Space Telescope in one minute The James Webb Space Telescope, the new flagship of space observation, will be launched on December 18… Slowly but surely, month after month, the James Webb Space Telescope is providing more and more evidence … Read more
2023-11-07 20:03:09 Astronomers have discovered the most distant black hole ever detected in X-ray using the Chandra and James-Webb space telescopes. The X-ray emission is a telltale signature of a growing supermassive black hole. This discovery could explain how some of the first supermassive black holes in the Universe formed. This will also interest you … Read more
2023-10-26 16:46:37 Just after the Second World War and its stimulating role for the development of nuclear physics, seminal work showed how the stars were the furnaces distilling elements heavier than the hydrogen, helium and lithium of the Big Bang with all their isotopes. But this work had difficulty explaining the quantities of elements heavier … Read more
2023-10-17 19:09:50 This is the first time that quartz has been identified in the atmosphere of an exoplanet and it is the James-Webb telescope which made this discovery possible, which is also the first of a specific cloud species identified in an exoplanet at the occasion of transits. The festival of discoveries with the James … Read more
2023-10-10 19:05:24 NASA put online every day at the beginning of October a sumptuous image of a galaxy taken with the Hubble telescope. Futura presents two to start with: the barred spiral galaxies NGC 685 and NGC 5068, the latter having also been recently observed with the James-Webb space telescope, the JWST. It’s almost as … Read more