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Sun passes the meridian after mean noon

Figure 12.18 The part of the equation of time resulting from the obliquity of Earth's orbit has a value (in minutes of time) equal to 4(A — K)—that is, four times the difference between the solar longitude and its right ascension. Zeros occur at the equinoxes and solstices.

Sun passes the meridian after mean noon

Sun passes the meridian before mean noon

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Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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