Were the dark ages really dark? What is a perturbation, and how did they grow in the early universe?
Jun 19th: What Awoke the Cosmic Dawn?
Tag: Ask A Spaceman
Jun 5th: How do you build a rocket-ship?
What does momentum have to do with rockets? Why are nozzles so dang important?
May 15th: What made the “OMG Particle” so special?
What is the so-called “OMG Particle”? Where could it possibly come from, and how are magnetic fields involved? How can we detect these cosmic rays?
May 1st: Seriously, What is Gravity? (Part 3)
Seriously, What is Gravity? Another story of gravity about How did Einstein develop General Relativity? What does it mean for different kinds of masses to be equivalent? How does gravity do what it does? Why is curvature so important in understanding gravity?
Apr 17th: Seriously, what is gravity?
How did Einstein develop General Relativity? What does it mean for different kinds of masses to be equivalent? How does gravity do what it does?
Apr 3rd: Seriously, what is gravity?
How did Einstein develop General Relativity? How does gravity do what it does?
Mar 20th: Iceland Question Bonanza! Subtitle
Where did all the monopoles go? Do other planets have auroras? Can binary stars host planets?
Mar 6th: Why is Iceland so warm?
What makes Iceland so warm despite its high latitude? What powers everything from glaciers to geysers?
Feb 20th: Why are Small Stars Such a Big Deal?
Why are small stars red? Why are small stars so common? Why are small stars so interesting for the hunt for life?
Feb 6th: Why should we believe the big bang?
What did Hubble really discover? Why does redshift imply an expanding universe? Why is the night sky dark? Why is there so much hydrogen, and how is that connected to the Big Bang?