Search results for “altitude”

Flight strategy of zebra finches

How do all the birds in a flock know where to fly? Zebra finches use looks to show their conspecifics a change of direction. On the other hand, the birds often use special calls when changing altitude. Authors: ZDF/Terra X/Jochen Rall/Daniela Busch/Maximilian Mohr Translation and dubbing: alugha

The layers of the earth's atmosphere

The layers of air of the earth is called the atmosphere. At different altitudes, it varies in pressure and temperature. Therefore, the atmosphere is divided into five main layers depending on altitude. Author: ZDF/TerraX/Julia Knüppel/Ellen Haas/Malik Alpoguz/Maximilian Mohr Translation and dubbi

Ozone - protective layer and toxic gas

In the atmosphere, at an altitude of about 20 to 30 kilometers, the ozone layer protects us from carcinogenic UV rays. But on earth, on the ground, ozone is a problem. Here, the colorless and toxic gas harms people and the environment. More about ozone: http://www.umweltbundesamt.de/ozon Transla

ScienceCasts: Escape of the Destructive Electrons

Visit http://science.nasa.gov/ for more. Earth is surrounded by electrons that can be disruptive to our technology. NASA is using high-altitude balloons and spacecraft to monitor and understand these particles in the radiation belts surrounding our planet. Click here to see more videos: https://al

What is radioactivity

You don't see it, and you don't feel it: radiation. Nevertheless, humans are always exposed to radiation. Shielding makes sense. Natural radioactive substances in soils and rocks emit radiation. And it comes not only from the earth, but also from heaven. The higher, the stronger the cosmic rays. I

The Snows of Kilimanjaro

The Snows of Kilimanjaro is a 1952 American Technicolor film based on the 1936 short story of the same name by Ernest Hemingway. It is directed by Henry King, written by Casey Robinson, and starred Gregory Peck as Harry, Susan Hayward as Helen, and Ava Gardner as Cynthia Green (a character invented