Fraser Cain
How Can Black Holes Shine?
We hear that black holes absorb all the light that falls into them. And yet, we hear of black holes…
Weekly Space Hangout – April 3, 2015: Lunar Eclipses & Asteroid Chunks!
Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg ) Dave Dickinson (@astroguyz / www.astroguyz.com) (more…)
Hangout with New Horizons on April 3, 2015
Are you excited about the upcoming NASA New Horizons flyby to Pluto? Even though the flyby will happen on July…
Astronomy Cast Ep. 372: Millikan Oil Drop
In 1909 Robert Millikan devised an ingenious experiment to figure out the charge of an electron using a drop of…
How Dense is the Asteroid Belt?
We've seen way too many science fiction episodes that show asteroid belts as dense fields of tumbling boulders. How dense…
Will the Universe Run Out Of Energy?
It seems like the good times will go on forever, so feel free to keep on wasting energy. But entropy…
Weekly Space Hangout – March 27, 2015: Dark Matter Galaxy “X” with Dr. Sukanya Chakrabarti
Host: Fraser Cain (@fcain) Special Guest: Dr. Sukanya Chakrabarti, Lead Investigator for team that may have discovered Dark Matter Galaxy…
Is the Universe Finite or Infinite?
Two possiblities exist: either the Universe is finite and has a size, or it's infinite and goes on forever. Both…
Astronomy Cast Ep. 371: The Eddington Eclipse Experiment
At the turn of the 20th Century, Einstein's theory of relativity stunned the physics world, but the experimental evidence needed…
How Could You Capture an Asteroid?
We can't just go into space with a big butterfly net or catcher's mitt, so how in the world could…