What is the future of life on Earth and in our Solar System? The Sun is
the source of energy for life on the Earth, but it will not shine
forever. This lecture looks at the impact of the various stages of the
evolution of the Sun on the habitability of the Solar System, with
particular emphasis on the continued habitability of the Earth. I will
refer to s ... Show More
Dec 2009
Lecture 45: The Future of Life in the Universe
How will life, the Universe, and everything end? This lecture looks at the evolution of our expanding Universe to project the prospects for life into the distant cosmological future. Recent observations show that we live in an infinite, accelerating universe. I will trace the evo ... Show More
44m 4s
<p>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.</p><br><p>L'importance de la masse</p><br><p>En évaluant, grâce à la ... Show More