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Roughly one out of every thousand stars that form is massive enough to become a black hole. Therefore, our galaxy must harbor some 100 million stellar-mass black holes. Most of these are invisible to us, and only about a dozen have been identified. The nearest one is some 1,600 lightyears from Earth.
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Weathering breaks down the rocks, erosion moves the particles, and deposition drops the sediments in another location. 1. Physical Weathering – the breakdown of rocks and minerals into smaller pieces without a change in chemical composition. You're welcome.
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In uniform circular motion, the speed remains constant while the direction of the object changes. This means the object experiences an acceleration toward the center of the circle, which is known as centripetal acceleration.
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