The planets in order from the sun are mercury venus earth mars jupiter saturn uranus neptune and finally the dwarf planet pluto. It is commonly known that sun is the centre of the solar system and all planets along with their moons asteroids belt and other heavenly bodies orbit around it.
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The current count orbiting our star.
Planets orbit around the sun. The reason they do not just fall into the sun is that they are traveling fast enough to continually miss it. This is also known as the orbital period. The more distant planets mars jupiter saturn uranus and neptune which move slower and have a greater distance to travel complete just a fraction of their orbits in this time.
In the time it takes the earth to complete one orbit the planets closer to the sun mercury and venus orbit at least once. Pluto takes almost 250 years to go around the sun completely and travels almost 23 billion miles to do so. Newton realized that the reason the planets orbit the sun is related to why objects fall to earth when we drop them.
However a planetary scientist at the japanese space agency jaxa recently explained in a series of tweets that all planets technically do not orbit the sun but the solar system s centre of mass or barycenter. Real time interactive solar system there are more planets than stars in our galaxy. The inner rocky planets are mercury venus earth and mars.
Most people have at science trends. Paradoxically it is the sun s gravity that keeps the planets in orbit around it just as the earth s gravity keeps the moon and satellites in orbit around it. The sun s gravity pulls on the planets just as earth s gravity pulls down anything that is not held up by some other force and keeps you and me on the ground.
The planets are far from the sun travel huge distances in space and take a long time to do so. 224 70 days 0 6 years. Unsurprisingly the the length of each planet s year correlates with its distance from the sun as seen in the graph above.
The precise amount of time in earth days it takes for each planet to complete its orbit can be seen below. Pluto also has a rocky albeit frozen. Why do the planets orbit the sun.
The inner four planets closest to the sun mercury venus earth and mars are often called the terrestrial planets because their surfaces are rocky. 87 97 days 0 2 years venus.
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