नैश्नल जिओग्रैफ़िक
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Earth's magnetic field flips much और frequently than we thought
Earth's magnetic field flips much और frequently than we thought
The planet’s magnetic poles swapped places at an astounding rate about 500 million years ago, which offers clues to core formation and hints at the effects on early life.
कीवर्ड्स: नैश्नल जिओग्रैफ़िक, website, magnetic poles
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साइन इन करें या शामिल होइए फैन्पॉप पेअपनी टिप्पणी जोड़ने के लिए