Is this your podcast?
Sign up to track ranks and reviews from iTunes, Stitcher and more
18. Galaxies
Listen now
Recent Episodes
Transcript: The flat rotation curve of the Milky Way has profound implications for the mass distribution of our galaxy. In the solar system the circular orbits of the planet decline with increasing distance from the Sun in accordance with Kepler’s Law and with the idea that the Sun contains...
Published 07/26/11
Transcript: Newton’s law of gravity gives astronomers a way of estimating the mass of something from the motions of objects within it. In the solar system or when an object has its mass concentrated in the center, the circular velocity declines with increasing distance from the center going as...
Published 07/26/11
Transcript: The motions of stars and gas within the disk of the galaxy can be used to estimate the mass of the Milky Way galaxy, but the Sun is one of billions of stars, some of which are interior to the Sun’s orbit and some of which are far beyond the Sun. So how is it possible to do this? ...
Published 07/26/11
Do you host a podcast?
Track your ranks and reviews from iTunes, Stitcher and more.
See hourly chart positions and more than 30 days of history.
Get Chartable Analytics »