This page provides an overview of the solar system, highlighting the roles of the Sun, planets, moons, and other celestial bodies. It discusses Copernicus' heliocentric model, Earth's rotation and axi...This page provides an overview of the solar system, highlighting the roles of the Sun, planets, moons, and other celestial bodies. It discusses Copernicus' heliocentric model, Earth's rotation and axial tilt, which cause day/night cycles and seasons. The text explains the Moon's phases, its influence on Earth's tides, and how eclipses occur. Additionally, it includes review questions and vocabulary related to these astronomical concepts.
This page explains tides as the regular rise and fall of ocean water due to the Moon's gravitational pull, with additional influence from the Sun. High tides occur where water bulges towards the Moon,...This page explains tides as the regular rise and fall of ocean water due to the Moon's gravitational pull, with additional influence from the Sun. High tides occur where water bulges towards the Moon, while low tides happen in between. The tidal range varies by location and is greatest during spring tides (when the Moon and Sun align) and smallest during neap tides (when they are at right angles). Tides generally occur twice daily, approximately every 12 hours and 25 minutes.