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Watch a still brightening new supernova only 20 million light years away

A new still brightening supernova has been discovered in the Pinwheel Galaxy, also known as Messier 101, only 20 million light years away, one of the closest such supernovae in years.

The discovery was made on May 19, 2023. Because the supernova is so close, it was discovered very early in its explosion and is still brightening to maximum. It is also an object that ordinary amateur astronomers can spot using their own telescopes. The Pinwheel Galaxy is located in the Big Dipper, making it a good target for amateurs in the northern hemisphere.

A live stream of the supernovae, dubbed SN 2023ixf, is also being broadcast today by the Virtual Telescope Project, and will be available here starting at 3 pm (Pacific).

No supernovae have occurred within our own galaxy, the Milky Way, since the invention of the telescope, so any such event in a nearby galaxy is an important opportunity for astronomers to learn more about these explosions.

Conscious Choice cover

Now available in hardback and paperback as well as ebook!


From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.

Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.  
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.


“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of founder of the Mars Society.


All editions are available at Amazon, Barnes & Noble, and all book vendors, with the ebook priced at $5.99 before discount. The ebook can also be purchased direct from my ebook publisher, ebookit, in which case you don't support the big tech companies and I get a bigger cut much sooner.


Autographed printed copies are also available at discount directly from me (hardback $24.95; paperback $14.95; Shipping cost for either: $5.00). Just email me at zimmerman @ nasw dot org.


  • Jerry Greenwood

    3:00 pm Friday.

  • Jerry Greenwood: When I wrote up the post and checked the live stream, it then said it was going live in about five hours, that day. That schedule has now changed.

    Not that this matters. The brightening of the supernova is kind of like watching the second hand of a clock. It moves, but it is almost imperceptible. Today, tomorrow, the changes will be slow and similar.

  • Jerry Greenwood

    When I looked at it this morning it implied 3 today. Set a reminder and at 3 pm it showed 24 hrs left.

  • Jeff

    Trevor Jones of, while attending the Texas Star Party, was actually imagining M101 when the news quickly spread of the supernova. His video documents his experience. Additional footage of MacDonald Observatory is nice. Reminds me of my trip there 20+ years ago.

  • Star Bird

    Just as long there are no clouds to hide it all

  • Jerry Greenwood

    Yesterdays live feed was postponed due to high winds. Couldn’t safely open telescope doors.

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