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science.nasa.gov | ||
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thatsmaths.com
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| | | | | There are five sweet spots where a spacecraft can keep pace with Earth as both orbit the Sun. They are called the Lagrange points, after the brilliant French mathematician Joseph-Louis Lagrange who found special solutions to what is called the "three-body problem". To locate the second Lagrange point, L2, draw a line 150 million km... | |
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plus.nasa.gov
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| | | | | Explore the surface of Mars, fly through a solar flare, and bask in the glow of a Uranian sunset. Turn on, tune in, and space out to relaxing music and | |
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earthobservatory.nasa.gov
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| | | | | climate change, global climate change, global warming, natural hazards, Earth, environment, remote sensing, atmosphere, land processes, oceans, volcanoes, land cover, Earth science data, NASA, environmental processes, Blue Marble, global maps | |
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www.sindark.com
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