Since astronomers can't actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this editor's choice podcast from HowStuffWorks.
Today
Was Commodus One of Rome's Worst Emperors?
You may know him as the villain in the film 'Gladiator', but the real-life Emperor Commodus is said to have been even more cruel and megalomaniacal. Learn about his unusual upbringing, how he made himself into a gladiator and an image of Hercules, and his eventual assassination i ... Show More
12m 9s
Sep 2007
Lecture 02: Astronomical Numbers
What are our units of measure in astronomy? To begin our exploration of astronomy, we first need to develop a common language for notating large numbers, and introduce the basic units of length, mass, and time that we will use throughout the quarter. This lecture is a quick revie ... Show More
43m 58s
Jul 2013
David Munns, “A Single Sky: How an International Community Forged the Science of Radio Astronomy” (MIT Press, 2012)
How do you measure a star? In the middle of the 20thcentury, an interdisciplinary and international community of scientists began using radio waves to measure heavenly bodies and transformed astronomy as a result. David P. D. Munns‘s new book charts the process through which radi ... Show More
1h 9m
Sep 2006
Lecture 2: Astronomical Numbers
Before we can begin our exploration of astronomy, we need to develop a
common language for notating large numbers, and introduce the basic
units of length, mass, and time that we will use throughout the quarter.
We will first re-introduce the basic metric system, explaining how t ... Show More
43m 29s
<p>Daniel talks about how astronomers can measure or deduce the mass of a star, and why it controls its fate.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a><p>See <a href="https://omnystudio. ... Show More
