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The time has come for my annual short Thanksgiving/Christmas fund drive for Behind The Black. I must do this every year in order to make sure I have earned enough money to pay my bills.

 

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As I noted in July, the support of my readers through the years has given me the freedom and ability to analyze objectively the ongoing renaissance in space, as well as the cultural changes -- for good or ill -- that are happening across America. Fourteen years ago I wrote that SLS and Orion were a bad ideas, a waste of money, would be years behind schedule, and better replaced by commercial private enterprise. Only now does it appear that Washington might finally recognize this reality.

 

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Hubble and Webb confirm decade-long conflict in universe’s expansion rate

The uncertainty of science: New data from both the Hubble and Webb space telescopes has confirmed Hubble’s previous measurement of the rate of the Hubble constant, the rate in which the universe is expanding. The problem is that these numbers still differ significantly from the expansion rate determined by the observations of the cosmic microwave background by the Planck space telescope.

Hubble and Webb come up with a rate of expansion 73 km/s/Mpc, while Planck found an expansion rate of 67 km/s/Mpc. Though this difference appears small, the scientists in both groups claim their margin of error is much smaller than that difference, which means both can’t be right.

You can read the paper for these new results here.

The bottom line mystery remains: The data is clearly telling us one of two things: 1) the many assumptions that go into these numbers might be incorrect, explaining the difference, or 2) there is something fundamentally wrong about the Big Bang theory that cosmologists have been promoting for more than a half century as the only explanation for the formation of the universe.

The solution could also be a combination of both. Our data and our theories are wrong.

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 print edition can be purchased at Amazon. from any other book seller, or direct from my ebook publisher, ebookit. 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

3 comments

  • wayne

    Dr. Brian Keating / Adam Riess
    Into The Impossible Podcast (July, 2023)
    “Tensions Between Measurements & Predictions of the Hubble Constant.”
    https://youtu.be/b3Tx1g8gKmY
    (57:04)

  • T

    the Hubble tension can been solved by inhomogeneous cosmologies as proposed by Buchert, most likely timescape theory

    the Euclid satellite data will probably confirm this in about a year

    http://www2.phys.canterbury.ac.nz/~dlw24/universe/wager.html

    timsecape sounds exotic but it’s really just an extension of relativity to include backreactions from the inhomogeneous distributions of mass in the observable universe, with the effect that empty regions of space age slightly faster

  • TallDave

    the Hubble tension (and indeed dark energy itself) can been explained by inhomogeneous cosmologies as proposed by Buchert, most likely timescape theory

    the Euclid satellite data will probably confirm this in about a year

    http://www2.phys.canterbury.ac.nz/~dlw24/universe/wager.html

    timescape sounds exotic but it’s really just an extension of relativity to include backreactions from the inhomogeneous distributions of mass in the observable universe, with the effect that empty regions of space age slightly faster

    these backreactions are very difficult to calculate and have previously generally been assumed small enough to ignore

    so no new physics, just some minor but very complex refinements to relativity

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