Que devient le téléscope Hubble ?

Les pupilles des animaux présentent une grande variété de formes, allant des cercles aux fentes, en passant par les rectangles. Les pupilles rectangulaires, visibles chez des animaux comme les moutons, les chèvres ou certains amphibiens, jouent un rôle crucial dans leur survie ...

Les flammes se dirigent toujours vers le haut en raison de plusieurs phénomènes physiques liés à la gravité, à la densité des gaz et à la dynamique des fluides.

Une flamme est le résultat d’une combustion, un processus chimique où un combustible (comme le bo ...

We're entering a new era of astrophysics. The James Webb Space Telescope is helping scientists test existing ideas and models of how the universe was created—on a whole new level. This telescope is sending back images of galaxies forming under a billion years after the Big Bang—w ...  Show more

The launch of the James Webb Space Telescope is only days away. Scheduled for lift off on 22 December, the largest and most complex space observatory ever built will be sent to an orbit beyond the moon. James Webb is so huge that it has had to be folded up to fit in the rocket. T ...  Show more

This year marks the 400th anniversary of Galileo’s use of the first telescope. On this week’s show, we reflect on how telescopes have shifted our perspective on how small we are in size, space, and time. We also discuss how they help astronomers discover new and interesting as ...

Soon the highly anticipated James Webb Space Telescope will blast off into space, hurtling almost a million miles away from Earth, where it will orbit the Sun. Decades in the making, scientists hope its mission will last a decade and provide insights into all kinds of things, inc ...  Show more