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How Far Is It From The Earth's Crust To Space?
asked 2 years ago
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There are various definitions in use but the most usual is that space begins at a height of 100km (just over 62 miles)above the earth. This isn't high enough for spacecraft to orbit - even at this height there is enough atmosphere to drag a satellite back to earth over time. Astronaut wings are awarded to pilots flying at over 50 miles (about 80.5km).
answered 2 years ago
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