Astronomy Cast, hosted by Fraser Cain and Dr. Pamela Gay, explains astronomy and planetary science in weekly discussions covering planets, cosmology and space missions. The show has 570 episodes in its feed, a weekly cadence and a median length of about 35 minutes. Estimated downloads per episode are 20,000 to 80,000, with a sponsorship rate of roughly $360 to $2,000 per episode.
Long-running weekly astronomy show with a loyal, highly rated audience
- 2,845 Apple Podcasts ratings with a 4.8 average across 570 episodes
- Weekly episodes of about 35 minutes covering rockets, cosmology and space missions
- Hosted by two working astronomers whose expertise listeners trust
Brand fit report
Content
- Formats
- co-hosted discussion, expert explainer, topical series
- Tone
- educational, conversational
- Language
- English
- Production
- Clean, edited audio
- Typical length
- 30 to 40 minutes
Audience
Commercial
- Brands seen
- None yet
- Categories promoted
- None yet
- Affiliate links
- Yes
The description states the show is supported through patreon.com/AstronomyCast, and no sponsor mentions appear in the last 20 episode titles.
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Episode titles cover planetary science, rockets and cosmology with no flagged content.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Where to listen
| Platform | Link |
|---|---|
| Website | www.astronomycast.com |
| Apple Podcasts | podcasts.apple.com/podcast/id191636169 |
| RSS feed | astronomycast.libsyn.com/rss |
Benchmark score: 84 / 100
Public rule, same for everyone. How it works.
Recent episodes
| Episode | Date | Length |
|---|---|---|
| Ep. 804: Mission Tech Series: Fairings, Docking & Airlocks | 2026-10-12 | 31 min |
| Ep. 803: Mission Tech Series: Engines & Stages | 2026-10-05 | 36 min |
| Ep. 802: Mission Tech Series: Rocket & Spacecraft 411 | 2026-09-28 | 32 min |
| Ep. 801: The Beginning & End of Everything - Part 2 | 2026-09-21 | 37 min |
| Astronomy Cast Can't Go On Like This | 2026-09-15 | 9 min |
| Ep. 800: The Beginning & End of Everything - Part 1 | 2026-09-14 | 39 min |
Last six episodes from the show's feed, latest 7 days ago, a new one about every 7 days.
Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay (Planetary Science Institute), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the…
About Astronomy Cast
Astronomy Cast is a weekly science podcast hosted by Fraser Cain and Dr. Pamela Gay, as described in the show's feed and website. Each episode is a discussion of astronomical topics ranging from planets to cosmology, with recent series covering rocket engineering and the science behind popular science fiction franchises. The feed lists 570 episodes on a weekly cadence, with a median length of about 35 minutes.
Apple Podcasts shows 2,845 ratings with an average of 4.8. Listener numbers are not published, so the estimate of 20,000 to 80,000 downloads per episode is inferred from the rating count, the show's age and its popularity signals. The audience is likely to skew toward adults with a strong interest in science. The show is supported through Patreon and no sponsors appear in recent episodes.
A host-read mid-roll at the estimated audience size would cost roughly $360 to $2,000 per episode. The show suits aerospace, telescope and science education brands looking for an attentive, educated listener base.
Written from the show's public RSS feed, its Podcast Index listing and episode titles. Numbers updated 2026-10-19. Astronomy Cast can edit or remove this page at any time.
Questions about Astronomy Cast
How much does Astronomy Cast charge for a podcast sponsorship?
Based on an estimated 20,000 to 80,000 downloads per episode, a host-read mid-roll would be roughly $360 to $2,000 per episode. Rates are estimates derived from public signals, not a published price card.
What is Astronomy Cast about?
Astronomy Cast is a weekly science podcast hosted by Fraser Cain and Dr. Pamela Gay. It covers astronomy topics from planets to cosmology, along with rocket science and space mission explainers.
How do I contact Astronomy Cast about sponsoring an episode?
The show's contact email unlocks on Starbooked for $0.80. Boosted shows can be booked through Starbooked.
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