Deep Astronomy

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Was there a first cause?  Can there be a event that started everything?  What would such an event look like?  In this episode Tony and Charlotte discuss the scientific and philosophical understanding of the beginning of the universe and what an effect that does NOT have a cause must …

This episode kicks off what I hope will be a weekly posting for the DA Show.  My wife Charlotte is a Catholic theologian and philosopher who has taught me much outside of my scientific realm.  I have heartily enjoyed our conversations over the years and now I hope to share some of them wi…

Remember all the commotion about the BICEP2 mission back in 2014?  Cosmologist had announced the observation of polarized "B-mode" waves that, if connected to the universal cosmic microwave background, would lend credence and observational support to the Inflationary Theory of Cosmology, this …

It turns out that NASA and others have been thinking about the inefficiencies of using chemical rockets to go to the Moon, Mars and the Outer Planets.  One very attractive solution is Nuclear Thermal Propulsion, a technology that was begun in the 1960's and considered as a viable method of pro…

Let's talk about the potentially hazardous asteroid known as Apophis.  In April, 2029 this 320 meter rock will get so close that it will pass under the orbit of geosynchronous satellites!  Astronomers held a conference in late April of 2019 to discuss the science that can be done as it pa…

In this podcast: an essay on whether the effort that went into making the black hole image in the distant galaxy M87 by the Event Horizon Telescope was worth it; an interview with star mapper Wil Tirion and more!

This podcast features science and technology from the Large Millimeter Telescope.  Our guests Nat DeNigris and David Sanchez will be on hand to discuss this amazing facility being operated in Mexico. The Large Millimeter Telescope is the world's largest single-aperture telescope in its freque…

We've known since Edwin Hubble's time that the universe has been expanding.  What we've only recently learned (like, in the past 10 years or so) is that the universe is accelerating as it expands.  Measuring this expansion rate has been problematic and while there are at least two differe…

I'm not convinced that life is everywhere in the cosmos.  It is entirely possible, based on what we know today, that we are the only life there is.  Anywhere.  This episode is a brief discussion of that idea.