Pioneer cover

From the press release: From the moment he is handed a possibility of making the first alien contact, Saunders Maxwell decides he will do it, even if doing so takes him through hell and back.

 
Unfortunately, that is exactly where that journey takes him.

 
The vision that Zimmerman paints of vibrant human colonies on the Moon, Mars, the asteroids, and beyond, indomitably fighting the harsh lifeless environment of space to build new societies, captures perfectly the emerging space race we see today.


He also captures in Pioneer the heart of the human spirit, willing to push forward no matter the odds, no matter the cost. It is that spirit that will make the exploration of the heavens possible, forever, into the never-ending future.

 
Available everywhere for $3.99 (before discount) at amazon, Barnes & Noble, all ebook vendors, or direct from the ebook publisher, ebookit.
 

Sunspot update for June 2018: Activity increases again

NOAA today posted its monthly update of the solar cycle, covering sunspot activity for June 2018. Below is this month’s annotated graph.

For the third straight month the Sun showed a small increase in sunspot activity. The pattern also continued to follow the two-week-on/two-week-off pattern of activity caused by the Sun’s 27-day rotation, as I described in my update last month.

June 2018 sunspot activity

The graph above has been modified to show the predictions of the solar science community. The green curves show the community’s two original predictions from April 2007, with half the scientists predicting a very strong maximum and half predicting a weak one. The red curve is their revised May 2009 prediction. The yellow line compares the present activity with the activity during solar minimum in 2008 and 2009.

This pattern is continuing. As of today, there have been no sunspots since June 28, almost two weeks. I would not be surprised if some sunspots appeared within the next week, especially because today’s image of the Sun from Solar Dynamic Observatory shows bright faculae rotating into view. Faculae are, like sunspots, a sign of solar magnetic activity. The two usually go together.

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