Google trend - Satellite

Satellite - 10 things to know with detail

• A satellite is an object that orbits around a larger object in space, such as a planet or a star. Satellites can be natural, like the moon, or artificial, like the numerous communication and weather satellites that orbit Earth.
• Artificial satellites are human-made objects that are launched into space for various purposes, such as communication, weather monitoring, Earth observation, navigation, scientific research, and military surveillance.
• The first artificial satellite, Sputnik 1, was launched by the Soviet Union in 1957, marking the beginning of the space age. Since then, thousands of satellites have been launched into orbit by countries around the world.
• Satellites orbit Earth at different altitudes, depending on their intended purpose. Low Earth orbit (LEO) satellites are typically used for communication and Earth observation, while geostationary satellites orbit at a higher altitude and remain fixed relative to a specific point on Earth's surface.
• Satellites are powered by solar panels, which convert sunlight into electricity to power the satellite's systems and instruments. Some satellites also use batteries for power storage during periods of shadow or eclipse.
• Communication satellites are used to relay signals between different points on Earth, enabling global telecommunications, internet connectivity, and broadcasting services. These satellites are equipped with transponders that receive, amplify, and retransmit signals to Earth.
• Weather satellites monitor Earth's atmosphere and surface from space, providing valuable data for weather forecasting, climate research, and disaster monitoring. These satellites can track storms, measure temperature and humidity, and monitor ocean and land conditions.
• Earth observation satellites capture images and data of Earth's surface, atmosphere, and oceans for various applications, including agriculture, urban planning, environmental monitoring, and disaster response. These satellites use sensors such as cameras, spectrometers, and radar to collect detailed information.
• Navigation satellites, such as the Global Positioning System (GPS), provide accurate positioning and timing information to users worldwide for navigation, mapping, and surveying purposes. These satellites transmit signals that are received by GPS receivers on the ground to determine their precise location.
• Satellites play a crucial role in modern society by enabling global communication, weather forecasting, Earth observation, navigation, and scientific research. Their continued development and deployment are essential for advancing technology, understanding Earth's environment, and exploring the universe beyond.