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27 votes
Accepted

How old is the Earth?

Yes, the age of the Earth is about 4.5 billion years (4,500 million years). Your linked articles describes well how it was formed and how we know about it. The uncertainty is less than 1% and depends ...
user2821's user avatar
  • 5,946
11 votes

Are old geophysics textbooks useful?

Mathematics and computer science are exact sciences. If something is discovered and known, it is not wrong. With time, there may be better or new ways of doing something, but the old stuff is still ...
Gimelist's user avatar
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9 votes
Accepted

Why did it take so long to discover the volcanic nature of mid-oceanic ridges?

If it weren't for WW2 and the search for German submarines, the discovery of mid-ocean ridges might have waited until satellite based gravimetric mapping in the 1980s. It was the use of fine ...
Knob Scratcher's user avatar
8 votes
Accepted

How did Earth's atmospheric layers get their names?

Who gave the names Troposphere and Stratosphere The stratosphere was firstly discovered by Léon-Philippe Teisserenc de Bort and Richard Aßmann (they did not cooperate) around 1900. Teisserenc de Bort ...
daniel.heydebreck's user avatar
6 votes
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How did the terms "acidic" and "basic" come to be associated with $SiO_2$ in igneous rocks?

The idea came from the theory that silicic acid was the chief form of silicon occurring in rocks. Early attempts to classify minerals, placed some mineral specimens in groups based acid-base ...
Earth Science Expatriate's user avatar
6 votes
Accepted

Did geologists determine the age of rocks and fossils before the advent of modern scientific dating methods?

The approach adopted by Charles Lyell (and other writers in a similar timeframe), in his book 'Principles of Geology' which was first published in the 1830s was to look at processes in the modern ...
Andy M's user avatar
  • 2,091
5 votes

What does a floating mercury barometer look like? How does it work and how is buoyancy used?

A good place to start would be with Fortin barometers. They were "commonly used at meteorological stations to measure atmospheric pressure". The advantages of this type of barometer are its ...
Fred's user avatar
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4 votes

Why did it take so long to discover the volcanic nature of mid-oceanic ridges?

I think the U.S. Geological Survey has the gist of your answer -- prior to the mid-1900s, there wasn't enough seismological data to draw any conclusions: During the 20th century, improvements in ...
jeffronicus's user avatar
  • 3,487
3 votes

Are old geophysics textbooks useful?

Every textbook written between about 1930 and say.....now, is pretty useless for your purposes. You'd be better served by watching many of those slick, university produced video lectures. They are ...
Knob Scratcher's user avatar
3 votes

References for Newton's & Kepler's age of the Earth calculations

Your question may be better suited to either SE History or SE History of Science and Mathematics. The date of the so called creation of the Earth has nothing to do with Earth Science. For Kepler I ...
Fred's user avatar
  • 24.7k
2 votes

When did people first realize that hurricanes are a particular type of storm system?

Trade winds from a general easterly direction occur almost all of the time in the Caribbean and tropical Atlantic. A hurricane approaching from any direction except from the south would change the ...
Jack Denur's user avatar
2 votes

Is the work "The photochemical origin of life" ,by A.Dauvillier, in line of principle still valid today?

Possibly, but they don't apply to today's world I'm reasonably sure, without having read the book but having looked at summaries online, that Dauvillier was arguing that the conditions on Earth when ...
kingledion's user avatar
  • 3,376
1 vote

References for Newton's & Kepler's age of the Earth calculations

Click link to see image: Kepler's 3992 B.C. Calculation, from his German work, see the cover of Chronologia. 5612 (year of creation) - 1620 (date of paper cover) = 3992 B.C. To obtain the source ...
Timothy Law's user avatar

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