why does the sun appear lower in the sky in winter? I can see from this diagram that the angle at which the sunlight hits the earth changes because of the tilt of the earth, and this makes the days hotter/colder in summer/winter but I can't visualise why the tilt of the earth changes how high/low the sun appears in the sky
In that link you posted look at the lower two spinning Earths.
Imagine yourself in the northern hemisphere at about 45 degrees latitude.
In the left hand picture, as you reach midday the sun is directly
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Finds all prime numbers in a range requested and places them in a public primes() array. I've demostrated a template size of 30 (2 * 3 * 5) but larger templates can be built such 210 (2 * 3 * 5 * 7) or 2310 (2 * 3 * 5 * 7 * 11).
The larger templa…