Ep. 717: Understanding the Ages of Distant Cosmic Objects

How old is that star? That planet? That nebula? Figuring out the ages of astronomical objects is surprisingly challenging. Fortunately, astronomers have developed a series of techniques they can use to work out the ages of stuff.

Our Hosts

Fraser Cain
Universe Today

Dr. Pamela Gay
CosmoQuest

Meet the Team

  • Beth Johnson, Project and Content Manager
  • Richard Drumm, Audio Engineer
  • Ally Pelphrey, Video Engineer

Take a Listen!

17 seasons and more than 600 episodes await.

Ep. 512: Direct Imaging of Exoplanets

Ep. 512: Direct Imaging of Exoplanets

Finding planets is old news, we now know of thousands and thousands of the places. But the terrible irony is that we can only see a fraction of the planets out there using the traditional methods of radial velocity and transits. But the new telescopes will take things to the next level and image planets directly.

Ep. 511: Predictions for 2019

Ep. 511: Predictions for 2019

We did it, we made it through 2018 in space. Now let’s look forward to the incredible launches, discoveries and astronomical events happening in 2019.

Ep. 510: 2018 – Year in Review

Ep. 510: 2018 – Year in Review

2018 was an incredible year in space news. Rockets launched, landers landed, spacecraft were born and died. We learned tremendous new things about Universe around us, and today we’re here to look back fondly over the last 12 months to review the year in space that was.

Astronomy Cast has won a Parsec Award!

Astronomy Cast has won a Parsec Award!

After many years as a finalist, Astronomy Cast has finally won in the Fact Behind the Fiction category of the 2018 Parsec Awards, joining the ranks of other fantastic podcasts such as Talk Nerdy with Cara Santa Maria, HubbleCast, the Planetary Society’s Planetary Radio, Monster Talk, 365 Days of Astronomy and Universe Today’s Guide to Space.

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