What makes Iceland so warm despite its high latitude? What powers everything from glaciers to geysers?
Tag Archives | Ask A Spaceman
Why are small stars red? Why are small stars so common? Why are small stars so interesting for the hunt for life?
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?
How does gravity bend the path of light? Does it seriously act like a lens or is that just a metaphor?
What strange creatures inhabit the so-called “particle zoo”? Why is it a zoo instead of something simpler?
Spend six dark nights journey to the stars, hosted by astrophysicist Paul Sutter.
How does degeneracy pressure work? What kinds of particles exist below the level of neutrons?
What powers a quasar? Just how strong is a blazar?