| http://www.w3.org/ns/prov#value | - - Study Moon phases, eclipses, and tides- Examine properties of over 100,000 stars, including distance, parallax, luminosity, and position on the Hertzsprung???Russell diagram- Learn about the seasons and when meteor showers occur- Access formulas such as Newton's and Kepler's laws, escape velocity, moments of inertia, angular momentum, and Einstein's famous E=mc^2- Convert between wavelength and
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