Secrets of Size episode 2

Secrets of Size episode 2 - Atoms to Supergalaxies: In the concluding episode of the series, Jim encounters ever larger cosmic structures to reveal the latest breakthroughs in our understanding of the universe. For example, there’s the heliosphere, a vast cloud of solar plasma that surrounds and protects the solar system.
Last Science posts on HDclump.com:
https://hdclump.com/secrets-of-size-episode-1-atoms-to-supergalaxies/
https://hdclump.com/seven-ages-of-starlight/
https://hdclump.com/the-sky-at-night-exoplanets-and-antarctica/
https://hdclump.com/how-to-sleep-well-with-michael-mosley-horizon/
https://hdclump.com/the-pleasure-of-finding-things-out/
https://hdclump.com/earth-the-power-of-the-planet-episode-5-rare-earth/
https://hdclump.com/earth-the-power-of-the-planet-episode-4-oceans/
https://hdclump.com/earth-the-power-of-the-planet-episode-3-ice/
https://hdclump.com/universe-the-big-bang-before-the-dawn-episode-5/
https://hdclump.com/earth-the-power-of-the-planet-episode-2-atmosphere/
https://hdclump.com/universe-black-holes-episode-4/
https://hdclump.com/universe-the-milky-way-island-of-light-episode-3/
https://hdclump.com/universe-alien-worlds-episode-2/
https://hdclump.com/universe-the-sun-god-star-episode-1/
https://hdclump.com/earth-the-power-of-the-planet-episode-1-volcano/