During the June solstice (marked between June 20 and June 22), solar declination is about 23.5°N (the Tropic of Cancer). On Earth, solstices are twice-yearly phenomena in which solar declination reaches the Tropic of Cancer in the north and the Tropic of Capricorn in the south. On our planet, solstices are defined by solar declination-the latitude of Earth where the sun is directly overhead at noon. How much does it change? Try comparing the spring and fall equinox in the same way.A solstice is an event in which a planet’s poles are most extremely inclined toward or away from the star it orbits. Note the length of the day on the summer solstice in June, then you can compare it to the length of the day on the winter solstice in December.Measure how fog, dust, or smoke impact the light sensor’s reading.
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