Universe Today podcasts with Fraser Cain

Space and astronomy news from Fraser Cain, Publisher of Universe Today

About the show

The Guide to Space is a series of space and astronomy podcasts by Fraser Cain, publisher of Universe Today

Universe Today podcasts with Fraser Cain on social media

Episodes

  • Episode 755: Q&A 153: How High Can Bacteria Survive? And More...

    July 22nd, 2021  |  37 mins 20 secs
    astronomy, space, space exploration

    In the season finale of my questions show, I talk about high-altitude bacteria, traveling into the future, does it make sense to go back to University, and more. See you all in September!

  • Episode 754: Q&A 152: Could We Detect Dyson Swarms? And More...

    July 5th, 2021  |  33 mins 3 secs
    astronomy, space, space exploration

    In this week's questions show, I explain why Dyson Spheres (and Swarms) should actually be pretty easy to detect across the Universe. If it's possible to service the Hubble Space Telescope with a Falcon 9, and will computers take jobs away from astronomers.

  • Episode 752: Q&A 151: Would They Warn Us About the End of the World? And More...

    June 24th, 2021  |  32 mins 44 secs
    astronomy, space, space exploration

    In this week's questions show, I explain what would happen if scientists discovered an existential threat to humanity. Would they let us know, or keep it secret to avoid a panic? Could we detect a Breakthrough Starshot fleet coming our way? And how well does China communicate its space exploration to the public?

  • Episode 753: Interview: Prof. Lee Cronin - Detecting the Chemistry of Life

    June 24th, 2021  |  57 mins 9 secs
    astronomy, space, space exploration

    My guest today is Professor Lee Cronin from the University of Glasgow. Dr. Cronin investigates the chemistry of life and has developed methods that could help us detect it on other worlds - even life as we don't know it.

  • Episode 751: Q&A 150: What is Space Dust, Anyway? And More...

    June 16th, 2021  |  36 mins 27 secs
    astronomy, space, space exploration

    In this week's questions and answer show, I explain how all the dust in space forms, could life be Von Neumann probes, why do people think black holes lead to another universe, and more...

  • Episode 750: Q&A 149: What if a Microscopic Black Hole Passed Through the Earth? And More...

    June 9th, 2021  |  35 mins 48 secs
    astronomy, space, space exploration

    In this week's Q&A, I try to imagine what might happen if a microscopic black hole passed through the Earth. How long will James Webb take to become operational, and what will be the Plan B for James Webb if it fails?

  • Episode 749: Q&A 148: How Do We Know the Age of the Universe? And More...

    June 1st, 2021  |  34 mins 47 secs
    astronomy, space, space exploration

    In this week's episode, I talk about the various ways we measure the age of the Universe. What's next for OSIRIS-REx? And what are the next frontiers for gravitational wave astronomy?

  • Episode 748: Interview: Dr. Casey Handmer, Starship, Space Junk and Settlement

    June 1st, 2021  |  1 hr 49 secs
    astronomy, space, space exploration

    I'm pleased to welcome back Dr. Casey Handmer, a software systems architect at NASA's Jet Propulsion Laboratory. In addition to his work at NASA, Casey has a fascinating blog where he considers the future of human and robotic space exploration:

  • Episode 747: Q&A 147: The Night Sky at the Center of the Milky Way? And More...

    May 17th, 2021  |  36 mins 1 sec
    astronomy, space, space exploration

    In this week's questions show, I consider what the night sky might look like if you could stand at the center of the Milky Way where the stars are denser. Do all stars have Oort clouds? And could Starship really send humans to Mars for the price of a house?

  • Episode 745: Interview: Dr. Ken Olum, Boltzmann Brains, Cosmic Strings and Gravitational Waves

    May 17th, 2021  |  58 mins 4 secs
    astronomy, space, space exploration

    My guest is Dr. Ken Olum, a research professor at Tufts University. His primary research is into cosmic strings, and how they could be detectable through techniques like gravitational waves.

  • Episode 746: Interview: Dr. Michael Hecht, Making Oxygen with MOXIE

    May 17th, 2021  |  50 mins 59 secs
    astronomy, space, space exploration

    My guest is Dr. Michael H. Hecht, a research scientist and associate director at MIT's Haystack Observatory. Hecht is also the principal investigator for the Mars Oxygen ISRU Experiment onboard Perseverance:

  • Episode 744: Interview: Practical Time Travel with Prof. Ronald Mallet

    May 10th, 2021  |  45 mins 1 sec
    astronomy, space, space exploration

    In this special interview, I was fortunate to speak with Dr. Ronald Mallet, an emeritus professor at UConn. In addition to a lifetime's work in cosmology and astrophysics, Mallet has been trying to work out how our understanding of Einstein's theories of General Relativity might lead to a practical form of time travel.

  • Episode 743: Q&A 146: Could We Even Comprehend Aliens... as Aliens? And More..

    May 10th, 2021  |  33 mins 12 secs
    astronomy, space, space exploration

    In this week's questions show, I explain why we'd be able to recognize aliens, even if they were vastly more technologically advanced than us. Why I don't do any promotional ads on my videos, and if we have any examples of energy turning into matter.

  • Episode 742: Interview with Fraser on Demystifying Science

    May 6th, 2021  |  1 hr 5 mins
    astronomy, space, space exploration

    It's time for another interview with me on someone else's podcast. This time it's with Demystifying Science, where we talked about how the lessons of space exploration can help us learn more about conservation and sustainability here on Earth. https://demystifyingscience.com/

  • Episode 740: Interview: Dr. Jessie Christiansen, 2,200 Planets for TESS

    May 6th, 2021  |  56 mins 44 secs
    astronomy, space, space exploration

    My guest is Dr. Jessie Christiansen, an astrophysicist with NASA's Exoplanet Science Institute. Jessie will give us an update on TESS and the 2,200 planets it's discovered so far.

  • Episode 741: Q&A 145: Is Gravity Infinite? And More...

    May 6th, 2021  |  39 mins 9 secs
    astronomy, space, space exploration

    In this week's questions show, I explain whether or not gravity is infinite, will we need to cure cancer to go to space? Will SpaceX help Artemis' chances for landing humans on Mars in 2024, and more...