HEADLINE: Space Survival Challenges, Commercial Rocket Progress, and Astrophysical Observations GUEST NAME: Bob Zimmerman SUMMARY: Bob Zimmerman reports on deep space survival issues (stem cell aging, artificial gravity), rocket updates (SpaceX, Firefly,
The John Batchelor Show
John Batchelor
4.5 • 2.8K Ratings
🗓️ 20 September 2025
⏱️ 7 minutes
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Summary
HEADLINE: Space Survival Challenges, Commercial Rocket Progress, and Astrophysical Observations
GUEST NAME: Bob Zimmerman
SUMMARY: Bob Zimmerman reports on deep space survival issues (stem cell aging, artificial gravity), rocket updates (SpaceX, Firefly, Cygnus, Callisto delay), and probes (Lucy, Hayabusa 2), confirming wet periods on Mars.
Transcript
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| 0:00.0 | Building a coffee business? |
| 0:02.0 | Serving the best Americano in town is up to you. |
| 0:04.0 | But winning back time and growing your business, |
| 0:06.0 | leave that to sum-up. |
| 0:07.0 | Take orders and payments anywhere with the new SumUp terminal. |
| 0:10.0 | Turn occasional customers into regulars with a free loyalty program. |
| 0:13.0 | And with the SumUp point of sale system, |
| 0:15.0 | you'll always know when you're running low on your best-selling blends. |
| 0:18.0 | Visit sumup.co. UK to learn more. |
| 0:26.5 | This is CBSI in the world. |
| 0:28.6 | Bob Zimmerman, behind the black, |
| 0:30.5 | we're headed to M87. |
| 0:31.8 | What is that, Bob? |
| 0:35.2 | This is a galaxy M87. |
| 0:37.0 | It's one of the messier objects. |
| 0:39.5 | He's located about 55 million light years away, |
| 0:41.6 | which makes it, I think, part of our local group or maybe near to it. |
| 0:43.3 | M87 is known for two reasons. |
| 0:45.6 | One, it's got a supermassive black hole in its center, |
| 0:48.4 | and the second reason is that black hole |
| 0:50.7 | was the first one that the Event Horizon Telescope |
| 0:53.6 | image back, what is it, about four years ago. |
... |
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