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Since the apparent movement of the Sun as viewed from Earth is nearly symmetrical about the solstice, plotting dates for one half of the year gives a good approximation for the rest of the year. Thus, to simplify the diagram, some sun charts show days for different months as the same, e.g. March 21 equals September 21.
Year 4 of SC25 (Dec 2022 to Nov 2023) averaged 41% more spots per day than year 4 of SC24. Year 5 of SC25 (Dec 2023 to Nov 2024) averaged 71% more spots per day than year 5 of SC24. Year 6 of SC25 (1 Dec 2024 to 20 Feb 2025) is currently averaging 17% more spots per day than at the same point in year 6 of SC24.
See here for the sunrise chart of a different location. The timing of sunrise varies throughout the year and is also affected by the viewer's latitude and longitude , altitude , and time zone . These changes are driven by the axial tilt of Earth, daily rotation of the Earth, the planet's movement in its annual elliptical orbit around the Sun ...
The Sun will spend a total of approximately 10 to 11 billion years as a main-sequence star before the red giant phase of the Sun. [135] At the 8 billion year mark, the Sun will be at its hottest point according to the ESA's Gaia space observatory mission in 2022. [136]
We also see the Rayleigh effect at play in: - Sunsets where the sky is red. Light has to pass through a larger part of the atmosphere when the sun is lower on the horizon.
The total amount of energy received at ground level from the Sun at the zenith depends on the distance to the Sun and thus on the time of year. It is about 3.3% higher than average in January and 3.3% lower in July (see below).
‘Significant change’ in Sun’s activity may come as good news for sky watchers ahead of next year’s solar eclipse
Sun path, sometimes also called day arc, refers to the daily (sunrise to sunset) and seasonal arc-like path that the Sun appears to follow across the sky as the Earth rotates and orbits the Sun. The Sun's path affects the length of daytime experienced and amount of daylight received along a certain latitude during a given season.