Ask a Spaceman!

Do black holes exist, or are they merely theoretical constructs? What’s the evidence? And what about the singularity, surely that doesn’t happen, right? I discuss these questions and more in today’s …

Does everyone have the same clock? Can we skip forward into the future? What about the past? Why does it appear to be forbidden in our universe? I discuss these questions and more in today’s Ask a Sp…

How is the bullet cluster the “smoking gun” for dark matter? Why aren’t alternate theories of gravity satisfactory? Could dark matter just be a bunch of black holes? I discuss these questions and mor…

Just how mediocre are we? I’ve heard there’s an “axis of evil” in space - what’s up with that? Is there anything special about our position within the universe? I discuss these questions and more in …

How do we measure the expansion history of the universe? Why are supernovae so dang useful? Come on, what’s with this “dark energy” business? I discuss these questions and more in today’s Ask a Space…

What happens during a galaxy merger event? Is dark matter involved? How do we use simulations to learn about these processes that last hundreds of millions of years?  I discuss these questions and mo…

Part Two! What’s the relationship between the Higgs Boson and mass? What does that even mean, and how do we go about detecting it? I discuss these questions and more in today’s Ask a Spaceman!

Suppor…

Part One! What does the Higgs Boson mean? What role does it play in the forces of nature? What makes it so special? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: htt…

What has New Horizons taught us about Pluto so far? What’s going on under the ice? Why does the “heart” of Pluto still beat? I discuss these questions and more in today’s Ask a Spaceman!

Support the …

How (and when) did the rings of Saturn form? How are we to understand the complex systems of rings and gaps? How do the moons influence their shape? I discuss these questions and more in today’s Ask …

What are the most clever physics and astronomy experiments of all time? What did we learn from them, and what made them so dang clever? I discuss these questions and more in today’s Ask a Spaceman!

S…

Why are Kepler’s Laws important? What was Kepler trying to understand? What connection did Kepler think he was making? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: …

What’s the universe made of? How is this connected to its age? What’s the connection between dark matter and dark energy? I discuss these questions and more in today’s Ask a Spaceman!

Support the sho…

How can the night sky be described to someone who can’t see it? What’s it like to do astronomy? What kind of feelings come into play? I discuss these questions and more in today’s Ask a Spaceman!

Sup…

Are wormholes real or what? How did we even start thinking of them? If we could build one, would it be possible to actually, you know, use it? I discuss these questions and more in today’s Ask a Spac…

How do sunspots work? What do magnetic fields have to do with it? Who was Zeeman and why was his splitting so important? I discuss these questions and more in today’s Ask a Spaceman!

Support the show…

What’s the shape of the universe? What does it even mean for the universe to have a “shape”? If you traveled far enough, would you end up where you started? I discuss these questions and more in toda…

Where do “weird” radio signals come from? Is this the first time we thought something weird was happening in space? Why does it make the news so much? I discuss these questions and more in today’s As…

How do regular non-super-novas work? What’s the connection to white dwarves? Where do they happen and why should we care? I discuss these questions and more in today’s Ask a Spaceman!

Support the sho…

What’s the deal with Hawking Radiation? Does it really mean what we think it means? How do black holes form in the first place? I discuss these questions and more in today’s Ask a Spaceman!

Support t…