In our solar system, Earth is the third planet from the sun. Its name comes from the old English and Germanic words meaning 'the ground'. Our planet is 4.5 billion years old. Scientists examine rock and sediment to…
1. Earth Is Radioactive Earth generates up to 40 terawatts of heat, half of which comes from radioactive decay in its core. Scientists measured particles called antineutrinos that streamed up from Earth's core and found…
You will probably agree that the Earth is a wonderful planet. It's amazing not only because it's the only planet teeming with life so far - but also because of how little is known about it. Well, at least most of us…
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