These planets circle around the sun (as i’m sure you know already) this is called orbits The terrestrial planets that exist within our solar system are also those that are the “inner planets” or those closest to the sun A lot of astronomy people like to think of the solar system been made up in two parts we have the inner solar system which has mercury, venus, earth and not forgetting mars.
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Planets mercury each time you look up to the sky and see a star you are looking at a sun in another galaxy
If you were on another planet looking back at our solar system, you would see our sun as a star
All of our planets are on the same “plane” and orbit in the same direction When you see an image of all eight of the planets in our solar system you will notice that they have a tendency to follow the same “path” in the sky, also called the “ecliptic.” they also orbit our sun in the same direction. Our solar system has eight planets Mercury, venus earth, mars, jupiter, saturn, uranus, and neptune
If you added all of the planets together they would make up only 0.14% of the mass of the solar system 99% of the mass would be from the gas giants of jupiter, saturn, uranus, and neptune. Our milky way galaxy has more planets than it has stars In our solar system we have eight planets
Mercury, venus, earth, and mars are the inner rocky planets.
As the second planet from the sun, venus is our closest neighbor in our solar system Although very similar in size and structure to our earth, venus spins more slowly and in the opposite direction than most of the planets in our solar system. Planets are created when gravity pulls dust and swirling gas together Mercury was formed around 4.5 billion years ago and became the small planet that is closest to our sun.
Scientists believe that there is a possibility that there may be another 40 known solar system objects that could be classified as dwarf planets They have estimated that up to 200 dwarf planets may be found in the kuiper belt and those outside the kuiper belt may be as high as 10,000 objects.
