What are the physical laws that determine the internal structure
of stars? We first introduce the Mass-Luminosity Relation for
Main Sequence stars, as well as seeing how the mean density of stars
differs for stars on different parts of the H-R diagram. We then
introduce the Ideal Gas Law, which relates pressure, density, and temperature,
and show how the ... 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