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The earch, our solar system, the sun, arcturus, antares, the milky way and the universe. How does the size of earth stack up.

The earch, our solar system, the sun, arcturus, antares, the milky way and the universe. How does the size of earth stack up.

Confirms Evidence That Liquid Water Flows on Today’s Mars

These dark, narrow, 100 meter-long streaks called recurring slope lineae flowing downhill on Mars are inferred to have been formed by contemporary flowing water. Recently, planetary scientists detected hydrated salts on these slopes at Hale crater, corroborating their original hypothesis that the streaks are indeed formed by liquid water.

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