[Sky]
Polar lights are one of the most beautiful natural phenomena on Earth If we were to rank the most beautiful atmospheric phenomena, we would definitely give one of the highest places to polar lights. The ideal time for them is clear frosty nights from September to March at latitudes of about 67–70°.
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[Earth]
What is “Indian summer” and when does it happen? Mid-autumn is the time for the “return of summer”. Though all of us understand pretty well that a couple of warm and sunny autumn weeks will soon be replaced by the first frost, we continue calling this short period as summer.
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[Earth]
Meteorological Autumn and Astronomical Autumn are two different ways of defining the seasons: Meteorological Autumn: Meteorological seasons are based on the calendar months and are primarily used by meteorologists and climatologists for consistent and simplified record-keeping and forecasting. In the meteorological definition, autumn is considered to be the three calendar months of September, October, and November in the Northern Hemisphere, and March, April, and May in the Southern Hemisphere.
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[Earth]
Meteorological Spring and Astronomical Spring are two ways of defining the start of spring, but they are based on different criteria. Meteorological Spring refers to the three calendar months of March, April, and May in the Northern Hemisphere (or September, October, and November in the Southern Hemisphere). These months are considered to be spring because they generally have milder temperatures and more rainfall than the preceding winter months, and the days start to become longer.
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[Earth]
Uncover how September 2023’s weather trends compare with the past century.
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NB: this post has been generated by AI, we can not 100% guarantee it’s accuracy. This is only an experiment and should not be taken as scientific writing. It’s the weather phenomenon of warm September days (at least around here). German colonists in the United States gave it its name, which is actually a translation from the original German-language term, “der Altweibersommer”.
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[Earth]
Here is how hot September 2021 is forecast compared to all September months from 1920 to 2020.
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[Sky]
Already in mid-September 2020, immediately after sunset, it will be possible to observe the galaxy beautifully named as “Andromeda’s Nebula” (M31). It will be possible to see it more clearly through binoculars, and if you also have a telescope, then you will be able to see its satellites - compact elliptical galaxies M 32 and M 110.
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