Satellite constellations harvest energy for near-total global coverage
Friday, January 10, 2020 - 05:00
in Astronomy & Space
Think of it as a celestial parlor game: What is the minimum number of satellites needed to see every point on Earth? And how might those satellites stay in orbit and maintain continuous 24/7 coverage while contending with Earth's gravity field, its lumpy mass, the pull of the sun and moon, and pressure from solar radiation?