[ad_1] Which part of the earth is covered by rivers and streams? The surface of rivers and streams in the world is about 45 percent higher than that estimated earlier, say scientists …
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[ad_1] A Japanese spacecraft has arrived at a asteroid Wednesday after traveling for more than three years. The Hayabusa2 spacecraft must perform a new experiment. This will create a crater on the …
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[ad_1] This image montage made by NASA's Curiosity rover shows the surface of the Mars planet, which researchers believe hardened only 20 million years after the birth of the Sun, much earlier …
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