Ask a Spaceman! - podcast cover

Ask a Spaceman!

Paul M. Sutterwww.askaspaceman.com
You've got questions and astrophysicist Paul M. Sutter has answers - every episode you will come closer to complete knowledge of time and space!

Episodes

AaS! 99: Do we live in the multiverse?

What’s the difference between the universe and the multiverse? How can cosmic inflation make bubble universes? Do those universes get different physics? If I travel far enough away, will I meet…myself? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.y...

Mar 05, 201936 minEp. 99

AaS! 98: Who's in charge of the quantum world?

How did Max Planck accidentally discover quantum mechanics? Why is his constant so special? What happens at the quantum level? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: http://www.pmsutter/book Go on an adven...

Feb 19, 201927 minEp. 98

AaS! 97: What makes the strong force so strong?

Why is the strong force better known as the “color force”? What’s the best way to think about protons and quarks? What do the Three Musketeers have to do with anything? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Read a boo...

Feb 05, 201926 minEp. 97

AaS! 96: Hey, who took all the antimatter?

Why are matter and antimatter symmetric? What happened in the early universe to make matter win? Do we have any clue as to why? What do puppies have to do with it? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: ht...

Jan 15, 201923 minEp. 96

AaS! 95: Does light experience time? (and other mysteries)

What does ‘time’ mean for light? What is the real lesson of the twin paradox? How can we all agree on the true age of the universe? Why is it all so technical? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: http:/...

Jan 01, 201927 minEp. 95

AaS! 94: How did we figure out that stuff is made of atoms?

How and when did we realize that atoms exist? How did we learn to understand their properties? How was Ernest Rutherford hogging all the science for himself? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: http://w...

Dec 18, 201846 minEp. 94

AaS! 93: Does the Oort Cloud Exist?

Where is the Oort Cloud and what is it made of? Why do we think some comets come from there? If the Oort Cloud exists, how did it form? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: http://www.pmsutter.com/book G...

Dec 04, 201841 minEp. 93

AaS! 92: I give up, what is time?

What makes time so hard to understand? Why is it so different from the spatial dimensions? Is time in any way connected to that most difficult of concepts, entropy? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adven...

Nov 20, 201836 minEp. 92

AaS! 91: Could we blow up a star?

How much energy is needed to blow up the sun? How is this connected to the idea of binding energy? Where is all the energy in the universe? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http://www.AstroTou...

Nov 06, 201830 minEp. 91

AaS! 90: Why are brown dwarf stars so weird?

What do brown dwarfs teach us about stars? What do they teach us about planets? What keeps them warm, and how long do they live? And are they really brown? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: htt...

Oct 16, 201834 minEp. 90

AaS! 89: What makes all the light?

What are the many sources of light in the universe? Why is a spectrum so important? What’s the difference between synchrotron and Cherenkov radiation? What’s the best word ever in physics? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/Pa...

Oct 02, 201827 minEp. 89

A Reading from the Book of Paul

Today I'm reading a sample from my new book, Your Place in the Universe! I'm also sharing details about how you can a) buy the book, b) contribute to my Patreon to get an autographed copy, c) get my book tour to swing by your neighborhood, and d) buy the book some more!

Sep 25, 201824 min

AaS! 88: Is the Drake Equation useful?

What does the Drake Equation teach us about extraterrestrial civilizations? What does it NOT teach us? What complexities does it hide? Is it even science? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http...

Sep 18, 201834 minEp. 88

AaS! 87: How do magnets work?

What’s the connection between motion and magnetism? How can something like a black hole have a magnetic field? What’s the connection to quantum mechanics? How did Einstein use magnetism to develop special relativity? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTub...

Sep 04, 201831 minEp. 87

AaS! 86: Why do we need cosmic inflation? (Part 2)

Part 2! What was going in the very early universe? How does inflation provide the seeds of larger structures? How can we possibly test this? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http://www.AstroTo...

Aug 21, 201834 minEp. 86

AaS! 85: Why do we need cosmic inflation? (Part 1)

Part 1! What are some weaknesses with the standard Big Bang model? What are the horizon and flatness problems? How does accelerated expansion solve these? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http...

Aug 07, 201835 minEp. 85

AaS! 84: How does dark energy accelerate the universe?

What is the cosmological constant? How is the expansion of the universe related to quantum fields? How does a vacuum energy produce accelerated expansion? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http...

Jul 17, 201843 minEp. 84

AaS! 83: Can entangled particles communicate faster than light?

What is a quantum state? How can two particles share the same state? What is entanglement, and does it really allow for faster-than-light communication? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http:/...

Jul 03, 201833 minEp. 83

AaS! 82: What awoke the cosmic dawn?

Were the dark ages really dark? What is a perturbation, and how did they grow in the early universe? When the first stars awoke, what happened? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http://www.Astr...

Jun 19, 201836 minEp. 82

AaS! 81: How do you build a rocket-ship?

What does momentum have to do with rockets? Why are nozzles so dang important? What is a “potent mixture”, anyway? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http://www.AstroTours.co Keep those question...

Jun 05, 201832 minEp. 81

AaS! 80: 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? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http://www....

May 15, 201839 minEp. 80

AaS! 79: Seriously, what is gravity? (Part 3)

Part 3! 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? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http:...

May 01, 201842 minEp. 79

AaS! 78: Seriously, what is gravity? (Part 2)

Part 2! 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? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http:...

Apr 17, 201835 minEp. 78

AaS! 77: Seriously, what is gravity? (Part 1)

Part 1! 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? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http:...

Apr 03, 201839 minEp. 77

AaS! 76: Iceland Question Bonanza!

Where did all the monopoles go? Do other planets have auroras? Can binary stars host planets? I discuss these questions and more in today’s Ask a Spaceman! A very special edition recorded in Vik, Iceland, where I answered questions from the AstroTourists who joined me for the excursion. Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch ...

Mar 20, 201831 minEp. 76

AaS! 75: Why is Iceland so warm?

What makes Iceland so warm despite its high latitude? What powers everything from glaciers to geysers? How are the aurora connected to volcanoes? I discuss these questions and more in today’s Ask a Spaceman! A very special edition recorded in Vik, Iceland, where I gave a special talk on the forces fighting for balance underneath and above the island. Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutte...

Mar 06, 201832 minEp. 75

AaS! 74: 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? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http://www.AstroTours.co Keep those questions...

Feb 20, 201827 minEp. 74

AaS! 73: 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? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutte...

Feb 06, 201831 minEp. 73

AaS! 72: How does gravity make a lens?

How does gravity bend the path of light? Does it seriously act like a lens or is that just a metaphor? What does it take, and how do we know? What can we learn from this strange physics? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/Paul...

Jan 16, 201835 minEp. 72

AaS! 71: Who lives in the particle zoo?

What strange creatures inhabit the so-called “particle zoo”? Why is it a zoo instead of something simpler? Is there anything that connects the forces and particles of our universe? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutte...

Jan 02, 201833 minEp. 71
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