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My July fund-raising campaign, celebrating the 13th anniversary of the start of this website, has now ended. This was the second most successful monthly fund-raising campaign ever. Thank you again to everyone who has who donated or subscribed. It is difficult to explain what your support means to me.


You can still donate or subscribe to support my work if you wish, either by giving a one-time contribution or a regular subscription. There are four ways of doing so:


1. Zelle: This is the only internet method that charges no fees. All you have to do is use the Zelle link at your internet bank and give my name and email address (zimmerman at nasw dot org). What you donate is what I get.


2. Patreon: Go to my website there and pick one of five monthly subscription amounts, or by making a one-time donation.

3. A Paypal Donation:

4. A Paypal subscription:

5. Donate by check, payable to Robert Zimmerman and mailed to
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c/o Robert Zimmerman
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SpaceX launches 22 2nd generation Starlink satellites

SpaceX this morning successfully launched another 22 2nd generation Starlink satellites into orbit, with its Falcon 9 rocket lifting off from Cape Canaveral at 8:20 am (Eastern).

The first stage completed its third flight, landing successfully on a drone ship in the Atlantic. The two fairing halves completed their sixth and ninth times respectively.

The company had hoped to follow this launch with a second from Cape Canaveral only hours later, sending a new Dragon cargo freighter to ISS, but that launch was scrubbed due to weather concerns later in the day. It has been rescheduled for tomorrow.

The leaders in the 2023 launch race:

37 SpaceX
20 China
8 Russia
5 Rocket Lab

American private enterprise now leads China 42 to 20 in the national rankings, and the entire world combined 42 to 36. SpaceX by itself leads the world 37 to 36, but when you add other American companies it trails everyone else combined 37 to 42.

Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.

The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.

"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News


  • Joe

    SpaceX is quickly approaching more successful landings in a row than anyone else launches. Pretty amazing for something that wasn’t supposed to be possible or practical.

  • Ray Van Dune

    I have been watching to see if they are getting more accurate at landing – if their Circular Error Probability or CEP is going down. I think it is, and it will have to if the Chopsticks maneuver is to work!

  • Concerned

    Ray Van Dune– the bulk of those landings are out at sea, a much harder problem than coming back to shore. What do the stats look like if you separate the two types?

  • Edward

    Ray Van Dune,
    The chopsticks have the advantage of not being on a bobbing, rolling, pitching boat that gets pushed around by every wave.

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