20160920 Magellan Space City Designer Planet Simulation

Re: 20160920 Magellan Space City Designer Planet Simulation

Postby tahanson43206 » Mon Jan 23, 2017 9:19 pm

On this day in 1520, the Magellan expedition was visiting the coast of Brazil, near what is now Montevideo

Google Earth shows Montevideo at: 34 degrees 54 minutes 04.01 seconds South, and 56 degrees 9 minutes 52.31 seconds West

Begin Quotation from Reference #1 Page lx:
2 February 1520: The fleet departs its anchorage near Montevideo .
End Quotation.

So far as I am able to determine, the expedition has only lost one member so far, as reported for the 20th of December, 1519.

Hundreds of members will be lost for a variety of reasons over the next three years.

At this point, Antonio Pigafetta is maintaining a steady commentary on the people and stories of Brazil.

(th)
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Re: 20160920 Magellan Space City Designer Planet Simulation

Postby tahanson43206 » Fri Jan 27, 2017 3:02 pm

2017/01/27 on Edward M. Lerner's novel "Dark Secret"

https://www.amazon.com/s/ref=nb_sb_noss ... ark+secret

Some of the comments at Amazon are critical of some of the fictional characters and their interactions, but there appears to be reasonable support for my view that the science is very well done indeed.

The theme of the book is perfectly matched to the topic of this section of Dr. Dartnell's forum.

Six people with a variety of reasonably predictable technologies and a collection of frozen embryos are placed on a marginally earth-like world far away from Earth.

Because Mr. Lerner's academic preparation includes economics along with physics and computer science, I decided to write this post about Mr. Lerner's assertion that a group of 6 people cannot have an "economy". While there is room to quibble, the assertion led me to wonder if anyone has thought about the question of how many people it would take to have a "economy" that Adam Smith would recognize.

Certainly in "Dark Secret" the characters establish appropriate levels of Division of Labor, and as the story progresses the characters certainly seem to my eye to express the "Invisible Hand" by pursuing their personal best interests within the context of their labors to insure the survival of the group.

(th)
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Re: 20160920 Magellan Space City Designer Planet Simulation

Postby tahanson43206 » Tue Jan 31, 2017 4:24 pm

2017/01/30 Reference #1, Page lx

On this day in 1520, the Magellan Expedition remains in its anchorage near Montevideo, Brazil.

Begin Quotation:
2 February 1520: The fleet departs its anchorage near Montevideo.
End Quotation.

(th)
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Re: 20160920 Magellan Space City Designer Planet Simulation

Postby tahanson43206 » Wed Feb 08, 2017 8:43 pm

2017/02/08 Reference #1, Page lx

On this day in 1520, the Magellan Expedition is underway, after a stay in Montevideo, Brazil.

The fleet is making it's way South along the Eastern coast of Brazil.

Begin Quotation:
13 February 1520: The fleet experiences storms off Bahia Blanca.
End Quotation.

Coordinates shown by Google Earth for Bahia Blanca are:
38 degrees 42 minutes 53.07 seconds South, 62 degrees, 17 minutes 35.52 seconds West

(th)
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Re: 20160920 Magellan Space City Designer Planet Simulation

Postby tahanson43206 » Tue Feb 14, 2017 1:30 am

2017/02/13 Reference #1, Page lx

On this day in 1520, the Magellan Expedition is under way, passing East of Bahia Blanca, Brazil

Begin Quotation:
13 February 1520: The fleet experiences storms off Bahia Blanca.
End Quotation.

Google Earth provides coordinates for Bahia Blanca, Brazil as:
38 degrees 42 minutes 53.07 seconds South 62 degrees 17 minutes 35.52 seconds West

This location is well inland, so I'm guessing it reflects a city that grew up away from the inlet that leads to the sea. Google Earth shows another location called Bahia Blanca that is very near the coast.

The aerial view shows that the expedition was moving well along the path to the southernmost tip of South America.

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Re: 20160920 Magellan Space City Designer Planet Simulation

Postby tahanson43206 » Mon Feb 20, 2017 3:16 pm

2017/02/20 Reference #1, Page lx

On this day in 1520, the Magellan Expedition is under way, passing East of Bahia Blanca, Brazil.

The next event in the voyage will be a land fall on February 27th, next Monday.

From an online discussion of the Magellan Expedition, I picked up the insight that the fleet sailed during the day time along the coast, and paused at night. That practice would seem sensible to me if land is nearby, but I'm sure it was NOT continued after the expedition struck out across the Pacific. Another insight from the same resource was that Magellan chose a path across the Pacific that managed to miss a plethora of islands to the South, so that the voyage took 98 days, and the crew was sorely tested.

***
The purpose of this thread is to anchor consideration of development of human civilization away from Earth. However, so much is going on in the forum and outside of it, that I have almost no time left for advancement of the other references at the top of this thread.

I would like to note the achievement of the SpaceX company under Elon Musk. They successfully launched a Falcon 9 from Pad 39A at Kennedy Space Center, and landed the first stage back on land near the launch point. The satellite was in progress toward the International space Station at this writing.

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