Earth secrets

Things we don not know for sure – how it’s happening, how was created, how it is. Questions that people do not know the answer!

Antarctica lake vida

Ancient Microbes

For decades, scientists assumed that Antarctica‘s Lake Vida was entirely frozen — and devoid of life. But Peter Doran suspected there might be liquid water — and even life — at the bottom of the lake. Peter Doran is an Earth scientist at the University of Illinois at Chicago. In 1996, he sampled the thick …

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Tracking bird migration with radar routes

Tracking Bird Migration with Radar

The same technology used to detect weather systems and airborne phenomena is a major source of ornithological information, particularly during spring and fall bird migrations. Radars (Radio Detection and Ranging) are useful in studying the flight patterns, locations and densities of migratory birds — information that is otherwise difficult to observe, since many birds migrate …

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The difficulty of space weather forecasting

We have plenty of trouble predicting weather here on Earth. What about predicting weather in the vast space between our planet and the sun? Geomagnetic storms in Earth’s atmosphere create enchanting displays of the northern and southern lights. But they can also damage satellites and spacecraft, disrupt communications systems, cause power outages and, potentially, injure astronauts. …

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