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All about sun

Sunlight

Every day the sun rises — nothing seems more normal to us. Unimaginable forces are at play. Without them, life would not be possible. Join us on an exciting journey to this cosmic superpower house.

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Does the sun prevent Dementia?

Can you avoid Alzheimer’s by sunbathing? Sounds tempting. Actually, research suggests a connection between the vitamin D supply in our body and dementia. Reality, though, is much more complex with many speculations.

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Artificial sun

Yes, there are indoor tanning lovers. They want to get a tan without sunbathing. Yet, is artificial tanning "better“ than natural sunlight? Whoever still wants to go to a tanning booth, should still consider a few things.

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The UV Index helps to see the stop light

The German Weather Service records the UV Index and publishes it on the web. Meteorologists also issue warnings when particularly high levels of radiation are expected.

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Earth’s fate without sun

Considering the multitude of effects caused by the light of the sun, it’s easy to realize that without the sun, life on earth wouldn’t be possible. But what would happen without the sun?

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It’s all about the right balance

Without sunlight, plants die in a short period of time. Humans also can’t live without sunlight. It keeps you fit and makes you happy.

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No sun, no life on earth

The sun is the most inhospitable and hostile place imaginable: glowing hot, deadly radiation and devouring everything that enters its realm. Nevertheless, its light is considered the source of life on earth. How does that work together?

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The sun, a superpower

Can you read a number with 30 zeros? It is called a quintillion. This super power plant located at the center of our solar system can impress us with many other "big numbers" that go beyond what we can even imagine. Here are some examples.