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Why the super moon is also called a thunder moon today | life & knowledge

For astronomy connoisseurs, the night sky has one again Supermond on sale! Sky-gazers can marvel at it on the night of July 13th to 14th.

The July full moon takes place particularly close to the earth and therefore appears particularly large and bright to us. Strictly speaking, this happens at 8:37 p.m. Central European Summer Time, because that is when the sun and moon are exactly opposite each other in the sky.

A few hours before, our Trabant comes close to earth. Because: The orbit of the moon is not circular, but slightly elliptical. As it travels around the earth, its distance varies between 406,000 and 356,000 kilometers.

“If there is a full moon at a point close to the earth, it appears larger and brighter to us. We then speak of a so-called ‘supermoon’,” says Prof. Thomas W. Kraupe, astrophysicist and director of the Planetarium Hamburg. “However, this is not a recognized scientific term. Rather, the moon reaches the so-called perigee – in contrast to the apogee when it is particularly far from the earth.”

On July 13, 2022, the moon will approach us at 357,264 kilometers. “A ‘supermoon’ appears particularly large and bright to us. A full moon near the earth appears about seven percent larger than an average full moon and about 14 percent larger than one farther away. To clarify the difference, the comparison between a two and a one euro coin is often used. Due to its low altitude, this sensory impression is even stronger this time, since our eyes can compare it with objects on the horizon,” Prof. Kraupe continues.

The super moon is also about 15 percent brighter than the average and even about 30 percent brighter than one in the distance. From our point of view, its surface is larger and can therefore reflect more sunlight.

Incidentally, the July full moon also has another name: it is also known as the “thunder moon”. Prof. Kraupe explains: “Since there are frequent thunderstorms in July, the July full moon is sometimes also referred to as the ‘thunder moon’. So there’s a ‘super thunder moon’ gracing the firmament.”

And here are some tips and tricks on how best to photograph the super moon with your smartphone

Tips from the experts How to sleep better on a full moon

Source: IMAGE

29.01.2021

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