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Deep Astronomy

Author: Deep Astronomy

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Welcome to Deep Astronomy, a podcast dedicated to helping us understand our place in the universe. Support this podcast:
32 Episodes
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 passes so close to the Earth.--- Support this podcast:
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!--- Support this podcast:
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 frequency range, built for observing radio waves in the wave lengths from approximately 0.85 to 4 mm. It has an active surface with a diameter of 50 metres and 1,960 square metres of collecting area.--- Support this podcast:
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 different ways to make the measurement, they don't always agree.This episode features Ed Macauley from the University of Portsmouth UK, and a member of the Dark Energy Survey collaboration.  He and his team have been using a calibrated version of the 'standard candle' method of determining the rate of universal expansion, also known as the Hubble Constant or H0 to get a better answer that agrees with other measurement techniques.You can read Ed's paper on here: Support this podcast:
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.--- Support this podcast:
Welcome to the first in a series of monthly discussions about topics in astronomy with Carol Christian, a colleague and friend of mine that has cohosted Astro Coffee Hangouts with me for years.This month we talk about what it's like for women in science.  Why aren't more qualified women in science?  What are the obstacles?--- Support this podcast:
Members of the PLANETS Foundation are working hard to secure funding for a telescope specifically designed to look for life on other worlds.  In this episode, we discuss the capabilities and design of this exiting telescope--- Support this podcast:
The next generation of world-class ground based observatories are being built right now.  Among them, The Giant Magellan Telescope (GMT).  Learn about this amazing telescope that will become the world's largest by mid-2020's--- Support this podcast:
Astronomy’s Future Will Be Built: New Capabilities to Assemble in Space the Largest Observatories.Scientific performance of telescopes depend strongly upon the observatory’s aperture, its capability to collect faint light. Eventually, the challenging goals of astronomers will require telescope mirrors larger than can be deployed in space without the capability to assemble them, either with astronauts or with robots, enabled by the decreasing cost of commercial launch vehicles.Join Tony Darnell as he discusses the promise, the challenges, and the capabilities being assessed to assemble the largest future space observatories with Drs. Nicholas Siegler (NASA JPL), Bradley Peterson (OSU/STScI) and Gordon Roesler (Robots in Space LLC).Come hear about a new NASA-chartered study that is looking into this potentially enabling capability.Future in Space Hangouts are endorsed by the American Astronomical Society and the American Astronautical Society.--- Support this podcast:
From the Moon to Mars

From the Moon to Mars


For decades advocates of the exploration of the Moon have argued that this will make possible subsequent exploration of Mars. But is this really true?Recently several dozen experts critically examined whether astronaut exploration of the Moon could be used to feed forward to a human mission to the martian surface by the end of the 2030s. Their findings may surprise you.Join Tony Darnell and Alberto Conti as they discuss the findings of a recent Moon-to-Mars workshop with Clive Neal (Notre Dame), Steve Mackwell (USRA), and Joseph Cassady (Aeroject Rocketdyne).--- Support this podcast:
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