Comet NEOWISE taken from the ISS

The next time it will return to the Sun in 6800 years. We will no longer be, and maybe all of humanity, and she will fly again.
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How to see the ash light of the Moon?🤨

The ash light of the Moon is observed just after the new moon. The direct rays of the Sun during this period fall on a small part of the satellite, which is visible as a silvery sickle, resulting in a spectacular effect: a soft light gray, "ashy" glow of the Moon.

You can see it if you watch it in the evening (not at night!) and in a transparent and clear atmosphere. In urban areas, this is very rare.
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Perfect illustration of inertia

And inertia is a physical phenomenon whereby a body keeps its velocity constant or at rest when no other bodies are acting on it.
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In Singapore, a robot dog from Boston Dynamics patrols parks and informs people about the need for " social distance"
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🇱🇰 A lady selling her wares at the market, Sri Lanka, 1910. Original autochrome colour photo
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Swimming with stingrays in Bora Bora
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Venice
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At night, Ukraine struck at the Kremlin with a UAV

Triboelectric effect

This experiment demonstrates the appearance of electric charges in the material due to friction.
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