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!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
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!
How do we achieve nuclear fusion in the laboratory? What are some
experiments that are trying to achieve fusion power generation? Why is it so
difficult? I discuss these questions and more in today’s Ask a Spaceman!
Is evolution universal throughout the cosmos? What are the different forms that life can take? When did life first appear in the universe? I discuss these questions and more in today’s Ask a Spaceman!
How were ancient people able to predict eclipses so well? How did they make predictions without modern science? What were they able to discover? I discuss these questions and more in today’s Ask a Spaceman!
What processes create all the elements? Why are some elements more common than others? How does fusion happen inside and outside of a star? I discuss these questions and more in today’s Ask a Spaceman!
What triggers ice ages and other climate events? How are sunspot cycles and orbital motions related to climate patterns? What does Jupiter have to do with all this?
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!
00:00 The Maunder Minimum 07:00 The Little Ice Age 16:00 Milankovitch Cycles 27:00 Solar Forcing & Feedback MechanismsHow Far Do You Really Travel in Your Life?Dr. Paul M. Sutter2023-09-14 | Support the show: http://www.patreon.com/pmsutter
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!What Makes Pseudoscience So Dangerous?Dr. Paul M. Sutter2023-08-19 | Support the show: http://www.patreon.com/pmsutter Full podcast episodes: http://www.askaspaceman.com
In this episode of #AskASpaceman, I dig into the nature of pseudoscience versus science. I will discuss what characterizes #science from the outside, like jargon, technical gadgets, and advanced mathematics. These are the qualities that pseudoscience shares, but crucially pseudoscience misses the important core of science: the openness, the rigor, the rationality, the skepticism, the connectedness, and the openness that are the trademarks of scientific investigation.
I show how common beliefs like UFO hunting, homeopathy, astrology, ghost hunting, ancient aliens, and more are all examples of pseudoscience.
Finally, I give some practical tips for navigating the world of pseudoscientific beliefs and how to respond to proponents of those beliefs.
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!
00:00 Introduction 03:01 Pseudoscience as "False Science" 07:20 The Skin vs the Soul of Science 16:22 Examples of Pseudoscience 25:53 How to Spot Pseudoscience in the WildThe Woman Who Rewrote Astronomy - Ask a Spaceman!Dr. Paul M. Sutter2023-07-20 | Full podcast episodes: http://www.askaspaceman.com Support: http://www.patreon.com/pmsutter
How was massive astronomy done in the 1800’s? Who were the Harvard Computers? How did Annie Jump Cannon figure out how to classify stars? I discuss these questions and more in today’s Ask a Spaceman!
Could we nudge the orbit of the Earth to avoid the death of the Sun? Could it get kicked out of the solar system altogether? What are rogue exoplanets? I discuss these questions and more in today’s Ask a Spaceman!
If light always travels at the speed of light, how does it slow down when passing through air or water? Does it matter if light is made of particles or waves? What’s the difference between phase velocity and group velocity, and how does that all play into this? I discuss these questions and more in today’s Ask a Spaceman!
What are the biggest mysteries facing modern astronomers? What questions do I wish could be answered in my lifetime? What are most astronomers working on right now? I discuss these questions and more in today’s Ask a Spaceman!
What discoveries and insights made the biggest impacts in astronomy and physics? What were the biggest surprises? What results took the longest to achieve? I discuss these questions and more in today’s Ask a Spaceman!
How does a black hole make a shadow? What can we learn from it? What are we seeing when we look at a black hole? I discuss these questions and more in today’s Ask a Spaceman!
What are the advantages of robotic exploration of the solar system? What are the limitations? Is there any situation where human exploration is better? I discuss these questions and more in today’s Ask a Spaceman!
What are Dyson spheres? What would be involved in building one? How much energy would it cost, and could we ever pay it back? I discuss these questions and more in today’s Ask a Spaceman!
What’s the temperature of deep space? Can it get any colder than that? How do we even define temperature when there’s nothing around? I discuss these questions and more in today’s Ask a Spaceman!
How do we know that the universe doesn’t rotate? Why would it matter if it did? What does all this have to do with time travel? I discuss these questions and more in today’s Ask a Spaceman!
What are blue straggler stars? How were they first discovered? What do they tell us about star clusters and the evolution of stars? I discuss these questions and more in today’s Ask a Spaceman!
Is it possible for anything to travel faster than light? What about tachyons? How would faster-than-light travel break causality? And just what the heck is causality, anyway? I discuss these questions and more in today’s Ask a Spaceman!
What is the role of consciousness in quantum mechanics, if there even is one? Is there any way at all to develop a coherent view of nature based on quantum mechanics? What are the ultimate lessons that we can learn from quantum mechanics? I discuss these questions and more in today’s Ask a Spaceman!
What is real in quantum mechanics, and what are mere mathematical tricks? Can the probability waves be real, and what would that mean? What is Pilot-Wave theory? I answer these questions and more in today’s Ask a Spaceman!
What is real in quantum mechanics, and what are mere mathematical tricks? Can the probability waves be real, and what would that mean? What is Pilot-Wave theory? I answer these questions and more in today’s Ask a Spaceman!
What is the many-worlds interpretation of quantum mechanics? How does decoherence play a critical role? What are the strengths and weaknesses of this idea? I discuss these questions and more in today’s Ask a Spaceman!
What is the many-worlds interpretation of quantum mechanics? How does decoherence play a critical role? What are the strengths and weaknesses of this idea? I discuss these questions and more in today’s Ask a Spaceman!
What were Einstein’s objections to quantum mechanics? Why was he so bothered by non-locality? What is the EPR paradox? I discuss these questions and more in today’s Ask a Spaceman!
What were Einstein’s objections to quantum mechanics? Why was he so bothered by non-locality? What is the EPR paradox? I discuss these questions and more in today’s Ask a Spaceman!
Part 5! What is the Copenhagen interpretation? How did the debates between Heisenberg and Schrodinger influence later physicists? What are the strengths and weaknesses of the “shut up and calculate” approach to quantum mechanics? I discuss these questions and more in today’s Ask a Spaceman!
Part 5! What is the Copenhagen interpretation? How did the debates between Heisenberg and Schrodinger influence later physicists? What are the strengths and weaknesses of the “shut up and calculate” approach to quantum mechanics? I discuss these questions and more in today’s Ask a Spaceman!
Part 4! What are the basic lessons of quantum mechanics? What does quantum mechanics teach us about the nature of reality? How does a quantum worldview differ from a classical one? I discuss these questions and more in today’s Ask a Spaceman!
Part 4! What are the basic lessons of quantum mechanics? What does quantum mechanics teach us about the nature of reality? How does a quantum worldview differ from a classical one? I discuss these questions and more in today’s Ask a Spaceman!
Part 3! Who developed quantum theory and why? What experiments motivated the creation of quantum mechanics? How was quantum mechanics a total break from classical physics? I discuss these questions and more in today’s Ask a Spaceman!
Part 3! Who developed quantum theory and why? What experiments motivated the creation of quantum mechanics? How was quantum mechanics a total break from classical physics? I discuss these questions and more in today’s Ask a Spaceman!
Part 2! How do physicists understand quantum mechanics? What are the postulates and principles of quantum mechanics? How do the foundations of quantum mechanics compare to other theories? How do I discuss these questions and more in today’s Ask a Spaceman!
Part 2! How do physicists understand quantum mechanics? What are the postulates and principles of quantum mechanics? How do the foundations of quantum mechanics compare to other theories? How do I discuss these questions and more in today’s Ask a Spaceman!
Part 1! Where does quantum theory fit in the larger tapestry of physics? What is the domain of quantum mechanics? And most importantly, what are the limits of quantum physics? I discuss these questions and more in today’s Ask a Spaceman!
Part 1! Where does quantum theory fit in the larger tapestry of physics? What is the domain of quantum mechanics? And most importantly, what are the limits of quantum physics? I discuss these questions and more in today’s Ask a Spaceman!
How do you make a super-atom? What can they be used for? What does this mean for quantum mechanics? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
What makes the principle of least action so important? Who came up with it? Is it all just a bunch of math or does it actually mean something? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
What is a pulsar? How can we use them to map gravitational waves? What kind of technology does it take? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
What are some of the problems with dark matter? What about modified gravity? Are there any other solutions? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
How big can a rocky planet get? Can a rocky planet turn into a gas giant? Why are some planets rocky and others gassy? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
How do giant black holes shut off star formation? How do they turn it back on? Which came first, the black hole or the galaxy? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
How did gravity get so ridiculously weak? Could it be related to extra dimensions? What does string theory and the concept of the “bulk” have to do with it? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
What is the dipole repeller? Why is it a dipole? What is it repelling? What is the Bootes Void and how is it connected to dark energy? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
What does everybody think is the twin paradox? What's the REAL twin paradox? How is the paradox resolved, and what does it teach us about synchronicity?
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
How was radioactive decay discovered? What are the different kinds of decay? How does quantum mechanics make all this happen? I discuss these questions and more in today’s Ask a Spaceman!
What makes the Big Bang theory so successful? How were alternatives ruled out? What are the electric universe and steady state theories? Do any other options remain, like conformal cyclic cosmology? I discuss these questions and more in today’s Ask a Spaceman!
Why are Lagrange points so crucial to astronomy? What makes even simple gravity so difficult? How do you “put” something at a Lagrange point? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
Why do we care about loop quantum gravity? Is it a viable path to uniting quantum mechanics and general relativity? What does it mean for spacetime to be discrete? I discuss these questions and more in today’s Ask a Spaceman!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
00:00 Background Independence 05:34 Quantum Nature of Spacetime 10:48 Consequences of Loop Quantum Gravity 15:33 Issues with Loop Quantum Gravity 19:15 Strengths of Loop Quantum Gravity