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Artwork for StarDate

StarDate

Billy Henry
Mcdonald Observatory
Jupiter
Venus
Moon
Milky Way
Mars
Orion
Sun
Astronomy
Earth
Black Hole
Mercury
Stars
Milky Way Galaxy
Dark Matter
Stardate
Gemini
Capella
Aldebaran
Saturn

StarDate, the longest-running national radio science feature in the U.S., tells listeners what to look for in the night sky.

PublishesDailyEpisodes145Founded9 years ago
Number of ListenersCategories
AstronomyEducationScience

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Artwork for StarDate

Latest Episodes

There’s just one place to catch a wave outside Earth: Titan, the largest moon of Saturn. It’s the only other world in the solar system with bodies of liquid on its surface. And the waves there could reach heights of 10 feet. But future surfers will n... more

The dawn twilight has a bright visitor the next few mornings – the planet Mercury. It’s farthest from the Sun for its current morning appearance. It looks like a bright star, but it’s so low in the sky that it’s tough to find.

Mercury holds an impor... more

The Sun is getting bigger, hotter, and brighter. The change isn’t enough to notice during a human lifetime – or even a thousand lifetimes. It plays out over hundreds of millions of years. And it’s all the result of changes deep inside our star.

Like... more

Eta Aquilae is big, bright, and unsteady. Over a bit more than seven days, the star pulses in and out like a beating heart. That causes its brightness to change. How it changes makes the star a good “standard candle” – a type of object that astronome... more

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Number of Listeners
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Host

Billy Henry
Host of StarDate; associated with StarDate, McDonald Observatory; often presents astronomy segments and educational features.

Reviews

4.6 out of 5 stars from 309 ratings
  • Short and sweet!

    Just pure enjoyment each day - I originally heard the show while commuting to work each early morning.

    It was on good old AM radio and was and still is very enjoyable yet brief each day!!

    Apple Podcasts
    5
    MaybNexYr Bear fan 77
    United States2 years ago
  • Since 1983

    Started listen on KPBS at San Diego State. The stow was and still is the highlight of my listen day. Visiting the McDonald Observatory is on my bucket list.

    Apple Podcasts
    5
    LMagoo56
    United States2 years ago
  • Great for years

    Originally listened to this on Am radio in late 90’s and early 2000’s and then transitioned to podcasts. A continual gift of education to all. Great science info.

    Apple Podcasts
    5
    whitestar20
    United States2 years ago
  • Wonderful!

    I love listening to each episode!

    Wonderful to learn about what surrounds from above.

    Also, such a break from worrying about the everyday on the ground. Such a good break!!

    Thank you so much.

    Apple Podcasts
    5
    BeigeSweater
    Canada3 years ago
  • Great Podcast

    One of my favorite astronomy podcast.

    Apple Podcasts
    5
    guitarsandbeaches
    United States4 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Crowd enjoys the mix of astronomy history, current science, and practical viewing tips; a few critique length or depth.
Listeners appreciate the clear narration and concise science updates, great for daily commutes.
Long-time fans praise the educational value and steady cadence; some miss older narration voice.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About StarDate

What is StarDate about and what kind of topics does it cover?

This science-and-sky feature focuses on practical stargazing and space science communication. Episodes emphasize easy-to-find celestial targets (the Moon, planets, bright stars) paired with accessible explanations of astronomical phenomena, historical context, and observing tips. The host often ties in mission updates, skywatching resources, and educational content from affiliated outlets, creating a steady stream of bite-sized, listener-friendly astronomy updates ideal for commuters and casual skywatchers alike. A standout aspect is the regular blend of myth, history, and current science, plus ongoing outreach through a magazine and online materials that expand beyond the audio flavor.

Listeners can expect short, clear segments that spark... more

Where can I find podcast stats for StarDate?

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How many listeners does StarDate get?

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How many subscribers and views does StarDate have?

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Which podcasts are similar to StarDate?

These podcasts share a similar audience with StarDate:

1. Science Friday
2. Big Picture Science
3. Planetary Radio: Space Exploration, Astronomy and Science
4. Marketplace
5. Freakonomics Radio

How many episodes of StarDate are there?

StarDate launched 9 years ago and published 145 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact StarDate?

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