🔴 Why Is Mars Red?
A2 · үг дээр дар = толь · ✨ = задлан

If you look at the night sky, you can sometimes see a small red point. That is Mars, our neighbor planet. People have wondered about its strange color for thousands of years.

The answer is simple: Mars is rusty. Its soil is full of iron, and long ago that iron mixed with oxygen. The same thing happens when a bicycle is left in the rain. Strong winds blow this red dust everywhere, so even the sky on Mars looks pink.

Scientists send robots to study the red soil. They have found signs that rivers and lakes existed on Mars long ago. Maybe one day, the first human will stand on that red ground someone who is a student today.

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