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The supermassive black hole in the center of the Milky Way is about to get a snack.

The supermassive black hole in the center of the Milky Way is about to get a snack.

Update: The recently launched NuStar telescope in July detected its first flare from the central black hole (which by the way is called Sagittarius A* and is pronounced Sagittarius A-star). If the gas cloud produces any fireworks as it whips past the black hole in the coming year then NuStar should see it.

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

3 comments

  • Questioner

    Why is the presentation of pornography allowed in this supposedly conservative blog (see above), but true conservatism is being discredited?

  • commodude

    Because the poster managed to sneak through Robert’s filter program. All that needs to happen is notify Robert and it will be gone.

    As to the snack consumed by Sag A*, the advances in instrumentation is truly incredible.

  • wayne

    a nice backgrounder…

    “The Monster Black Hole at the Center of the Milky Way”
    Dr. Andrea Ghez
    Silicon Valley Astronomy public lecture [January 2017]
    https://youtu.be/dv1igzE-aX4
    1:11:37
    “By imaging the Galactic Center at infrared wavelengths, Ghez and her colleagues have been able to peer through heavy dust that blocks visible light, and to produce images of the center of the Milky Way. Thanks to the 10 m aperture of the W.M. Keck Telescope and the use of adaptive optics to correct for the turbulence of the atmosphere, these images of the Galactic Center are at very high spatial resolution and have made it possible to follow the orbits of stars around the black hole, which is also known as Sagittarius A* or Sgr A*.”

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