Satellites play a crucial role in modern technology by providing communication, navigation, weather forecasting, and Earth observation services. They enable global telecommunications, GPS navigation, and help monitor environmental changes and natural disasters.
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An eclipse occurs when one celestial body blocks light from reaching another. There are two main types: solar eclipses, where the Moon blocks the Sun, and lunar eclipses, where the Earth blocks sunlight to the Moon.
The Milky Way galaxy is significant as it is the galaxy containing our solar system. It’s a barred spiral galaxy with billions of stars, including our Sun, and is a key part of the universe.
The different phases of the Moon are caused by its changing position relative to Earth and the Sun. As the Moon orbits Earth, varying amounts of its illuminated half are visible from Earth.
Earth is suitable for life due to its optimal distance from the Sun, presence of water, breathable atmosphere, and suitable temperatures. These factors create a habitable environment for diverse forms of life.