Satellites
Do you know how we predict the weather, navigate with GPS, or even watch live broadcasts worldwide? It’s all because of satellites!
A satellite is an object that orbits another object in space, and its orbit can be circular or elliptical.
Natural satellites, like the Moon, orbit their planets, while human-made satellites, called artificial satellites, orbit Earth and other celestial bodies.
Newton’s law of universal gravitation explains that gravity attracts all objects, but satellites stay in orbit instead of crashing because their velocity balances the gravitational pull.
Imagine launching a ball: if it’s too slow, it falls back to Earth; too fast, it escapes into space; but at just the right velocity, it stays in orbit around Earth.
Different satellites serve different purposes. Weather satellites, like those monitoring hurricanes, orbit from pole to pole, providing detailed images of Earth’s changing weather, while communication satellites stay over the same spot on Earth, helping us stay connected.
Since the launch of Sputnik 1 in 1957, thousands of satellites have been deployed to study Earth, track climate change, map oceans, and even explore planets.
Satellites
Satellites are objects that orbit planets, stars, or other celestial bodies. Some satellites occur naturally, like the Moon orbiting Earth,…
Do you know how we predict the weather, navigate with GPS, or even watch live broadcasts worldwide? It’s all because of satellites!
A satellite is an object that orbits another object in space, and its orbit can be circular or elliptical.
Natural satellites, like the Moon, orbit their planets, while human-made satellites, called artificial satellites, orbit Earth and other celestial bodies.
Newton’s law of universal gravitation explains that gravity attracts all objects, but satellites stay in orbit instead of crashing because their velocity balances the gravitational pull.
Imagine launching a ball: if it’s too slow, it falls back to Earth; too fast, it escapes into space; but at just the right velocity, it stays in orbit around Earth.
Different satellites serve different purposes. Weather satellites, like those monitoring hurricanes, orbit from pole to pole, providing detailed images of Earth’s changing weather, while communication satellites stay over the same spot on Earth, helping us stay connected.
Since the launch of Sputnik 1 in 1957, thousands of satellites have been deployed to study Earth, track climate change, map oceans, and even explore planets.
Do you know how we predict the weather, navigate with GPS, or even watch live broadcasts worldwide? It’s all because of satellites!
A satellite is an object that orbits another object in space, and its orbit can be circular or elliptical.
Natural satellites, like the Moon, orbit their planets, while human-made satellites, called artificial satellites, orbit Earth and other celestial bodies.
Newton’s law of universal gravitation explains that gravity attracts all objects, but satellites stay in orbit instead of crashing because their velocity balances the gravitational pull.
Imagine launching a ball: if it’s too slow, it falls back to Earth; too fast, it escapes into space; but at just the right velocity, it stays in orbit around Earth.
Different satellites serve different purposes. Weather satellites, like those monitoring hurricanes, orbit from pole to pole, providing detailed images of Earth’s changing weather, while communication satellites stay over the same spot on Earth, helping us stay connected.
Since the launch of Sputnik 1 in 1957, thousands of satellites have been deployed to study Earth, track climate change, map oceans, and even explore planets.
View the full transcript and gain access to JoVE Core videos
From Chapter undefined:
Now Playing
Satellites
Related Videos
13 Views
Telescopes
Related Videos
11 Views
Shuttles, and Space Stations
Related Videos
10 Views