How do stars generate energy in their cores, and once made, how is
that energy transported to the surface where it can be radiated away
as Luminosity? This lecture revisits nuclear fusion and the Kelvin-Helmholz
Mechanism, and discusses the 3 ways energy can be transported in stars:
Radiation, Convection, and Conduction. This will lead us to the
concept o ... Show More
Jun 2009
Telescopes that Rocked Our World
This year marks the 400th anniversary of Galileo’s use of the first telescope. On this week’s show, we reflect on how telescopes have shifted our perspective on how small we are in size, space, and time. We also discuss how they help astronomers discover new and interesting aspec ... Show More
56 m