If you shone a flashlight beam from Earth, would you be able to see it from the moon? It depends. Find out why -- and get a lesson in how light works -- in this episode of BrainStuff.
<p>Daniel talks about how astronomers can measure or deduce the mass of a star, and why it controls its fate.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a><p>See <a href="https://omnystudio. ... Show More
Depuis quelques années, la Terre perd de sa luminosité. Je vais vous expliquer pourquoi la terre brille moins ?<br><p> Voir <a href="https://acast.com/privacy">Acast.com/privacy</a> pour les informations sur la vie privée et l'opt-out.<hr><p style='color:grey; font-size:0.75em;'> ... Show More