It wasn't too long ago that humans thought the polar lights were signs from the afterlife. Thanks to a 19th century Norwegian, we now understand that they are a fascinating interplay with Earth's magnetic field and wind from the sun.
Jun 2019
Messages From The Deep: The Mystery of Fast Radio Bursts
<p>For years, fast radio bursts have mystified astronomers across the planet. These millisecond-long blips of intense, unexplained radio signals pop up all over the sky, temporarily outshining radio pulsars despite being perhaps a million times farther away. Before 2013, many ast ... Show More
47m 24s
Dec 2019
Will There Always Be a North Star?
The star Polaris, when viewed in the Northern Hemisphere, points you almost due north. Learn how it's aided navigators for centuries, but why it won't always do so, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystud ... Show More
5m 55s
Dec 2020
La planète la plus proche du soleil n'est pas la plus chaude
A priori, plus on se rapproche du Soleil et plus on s'expose à la chaleur qu'il émane. Pourtant, Mercure, la planète la plus proche de l'astre incandescent, n'est pas la plus chaude du Système solaire. Comment un tel phénomène physique peut-il s'expliquer ?<br><p> Voir <a href="h ... Show More
1m 50s
Jun 2021
The Carrington Event, Part I: The Sun is Acting Strange
<p>When amateur astronomer Richard Carrington gazed through his telescope on the morning of September 1st, 1859, he noticed something weird about the surface of the sun -- it seemed to have clusters of dark spots. Later historians would recognize this as the earliest observation ... Show More
25m 55s
Apr 2021
Pourquoi les éclipses de Soleil sont vouées à disparaitre ?
<p>Rediffusion (je reviens le 26 avril ;)</p><p>Les interactions entre la Terre et la Lune expliquent l'éloignement de notre satellite naturel. Ce phénomène, ainsi que la situation actuelle du Soleil, expliquent la raréfaction, puis la fin programmée des éclipses solaires totales ... Show More
2m 1s
