Why Do I Need to Change the Engine Oil of My Car?
Why Do I Need to Change the Engine Oil of My Car? Changing oil is probably the most important part of routine maintenance for any vehicle. An oil change consists of...
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What Is the Jet Stream?
What Is the Jet Stream? Several miles above our heads in the top part of the stratosphere, winds can blow up to 300 miles an hour. These winds are called the “jet...
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What Is the International Space Station?
What Is the International Space Station? Visible from Earth with the naked eye, the International Space Station (ISS) is habitable satellite that serves as a micro...
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What Is a Light-year?
What Is a Light-year? Space is so vast that scientists don’t use miles to measure how far stars are away from us. The number of miles would be too large to work...
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How Deep Is the Deepest Spot in the Ocean?
How Deep Is the Deepest Spot in the Ocean? Off the island of Guam in the Pacific Ocean is a very deep, crescent-shaped trench called the “Mariana Trench.” Near the...
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