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Sky

How Mist Is Different From Fog?

Mist occurs when temperatures range from 5 to 15°C and warm air meets cooler surfaces. This interaction of warm and cool air leads to the formation of very small water droplets in the atmosphere. Unlike fog, which contains larger droplets, mist droplets are typically not visible to the naked eye.

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Sky

What is Morning Glory?

Morning glory — what is it and where can you see it? Today we will tell you about another rare and amazing atmospheric phenomenon — unusual clouds called “Morning Glory”. These clouds appear as a long curved solitary wave and reminds of an airplane trail. These waves are located quite low above the earth, at an altitude of only 100-200 meters.

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Longest Recorded Sunshine

Polar daylight record of 69 days of continuous sunshine in 2020. Ny-Ålesund is a small research community on the island of Spitsbergen in the Svalbard archipelago, located in the Arctic Circle. During summer months at this high latitude location, the sun does not set below the horizon due to the effects of polar daylight.

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Earth

What is "Indian summer"?

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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Largest Full Moon in 2023

On the evening of August 31, 2023, we will have the opportunity to witness one of the most significant astronomical events - a supermoon. On this evening, the full moon will approach the Earth at its closest distance this year, offering a mesmerizing celestial spectacle. Our natural satellite will be accompanied by two great planets - Saturn and Jupiter.

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How Many Colors does Rainbow have?

How many colors does the rainbow have? It seems like everyone has known for a long time that it has seven colors. But as it turns out, it’s not all that simple. Isaac Newton was the first to identify seven colors in the rainbow: red, orange, yellow, green, blue, dark blue and purple.

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Where Do Tsunamis Come From?

Tsunamis are mostly provoked by underwater earthquakes and underwater volcanic eruptions, which sharply raise or lower the seabed and, as a result, move huge masses of water. Until now, the mechanisms of the tsunami have not been thoroughly studied, and it is often difficult to detect an approaching dangerous wave since at first, it is not high enough to start sounding the alarm.

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Perseids Starfall

Perseids starfall from 10 to 20 August. Already next week, starting from August 10, it will be possible to observe the famous Perseids starfall in the night sky. The Perseids are numerous tail particles of the Swift-Tuttle Comet. It last approached the Earth in 1992. The peak of the starfall activity will take place on August 12-13.

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Earth

Astronomical Autumn vs. Meteorological Autumn

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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What is the Real Form of the Rainbow?

Did you know that a full rainbow is actually a complete circle? The thing is that it’s not an arc we are used to see but a complete circle partly hidden from us. And only in certain conditions, like being on an airplane or standing on a mountain one can see an amazing view of an entire circular rainbow.

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