We turn our attention to the Giant Planets of the outer Solar System:
the gas giants Jupiter and Saturn, and the ice giants Uranus and Neptune.
We will review their structure and properties, and then examine their
systems of moons, with special attention to the giant moons. While the
Jovian planets themselves seem unlikely places to hunt for life in o ... Show More
Oct 2009
Lecture 22: The Family of the Sun
This first lecture of Unit 4 - Life in the Solar System - is a quick
tour of our Solar System reviewing the planets, dwarf planets, moons,
and small bodies that make up our celestial home. This lecture will
introduce many of the places we will be considering in detail over the
ne ... Show More
46m 22s
Mar 2022
Comment calculer l'âge d'une étoile ?
La durée de vie d'une étoile peut nous renseigner sur sa composition et sur l'existence éventuelle de la vie dans le cosmos. mais, en dehors du Soleil, il est assez difficile de déterminer l'âge d'une étoile.
L'importance de la masse
En évaluant, grâce à la radioactivité, l'âge d ... Show More
1m 58s