The Brothers Barton, talking armchair science from their armchairs. No politics, no guilt trips—it’s science!
Frequency, wavelength, color and motion What is the Doppler Effect, how does it work, and what does it tell us?
It takes two dead stars to make gold? In episode 43, we talked about how our universe makes the chemical elements that our world and we are made of...
What stars are made of In order to find out what a star is made of, pass its light through a prism, and examine the resulting rainbow, or spectrum. Here’s...
Pop go the stars For our universe to produce minds, we require many different chemical elements. Those elements were created by the stars. The lighter...
It’s bigger than we thought In 1923 Edwin Hubble used a variable star to prove that the Andromeda Nebula was actually the Andromeda Galaxy. Before...