Alaska

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[Sky]

Meet Nacreous Clouds

Nacreous clouds are a real miracle of the northern latitudes. Nacreous clouds are one of the most beautiful, unusual, and rare natural phenomena. They appear at an altitude of 15 to 27 km at abnormally low temperatures. The best time for observation is at dusk, from the moment the sun sets visibly beyond the horizon line to the moment its center plunge 6 ° below the horizon line.

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[Earth]

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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[Sky]

Have You Seen Polar Lights?

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]

Did You Know What "Zombie Fires" Are?

An increasing number of “zombie fires” have been recorded recently in the Arctic zone. A “zombie fire” is a fire that slowly burns underground and then appears on the surface after a while. So far, more than 35 “hidden fires” have been recorded and 7 of them have already come to the surface and are visible from space.

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