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10 godz. temu · One astronomical unit (about 150 million kilometres; 93 million miles) ... The core of the Sun extends from the center to about 20–25% of the solar radius. It has a density of up to 150 g/cm 3 ... and surrounding stars. As of 2022, the precise location of the Solar System in the clouds is an open question in astronomy.
10 godz. temu · The Moon is Earth's only natural satellite.It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Tidal forces between Earth and the Moon have over time synchronized the Moon's orbital period (lunar month) with its rotation period at 29.5 Earth days, causing the same side of the Moon to always face Earth. . The Moon's gravitational pull – and to a ...
