There are humans.
There are eight planets and five dwarf planets in our solar system.
Pluto is a lot smaller than other planets in out solar system. This was not noticeable in earlier years because there wasn't the technology to very accurately compare it to other planets. Because of it's small size Pluto was determined a dwarf.
Other planets other than earth is put in the solar system for humans to explore and do researches on them.
Its super huge, super hot, and it is considered to be in the center of the planets orbits.
One way Mercury and Venus are the same in which they differ from other planets is that they are both very hot and dry in the daytime
No, the planets after Pluto are still within our solar system. After Pluto, there is Eris, Haumea, Makemake, and several other dwarf planets and minor planets that are part of our solar system. Beyond these, there is the Kuiper Belt and the Oort Cloud which are also part of our solar system.
Planets outside our solar system are called exoplanets. Thousands of exoplanets have been discovered orbiting other stars in the Milky Way galaxy. They come in a variety of sizes and compositions, and many are quite different from the planets in our own solar system.
They could, but as of now, no astronauts have travelled to any other planets in the solar system.
The atom and the solar system are not equal. The solar system contains the sun and the other planets.
Actually, there are 18 known planets in our solar system, as well as two known protoplanets. For a complete list of objects in the solar system, see the related links.
Scientists do not consider Pluto a major planet due to its size, orbit, and characteristics that differ from the other eight recognized planets in the solar system. Additionally, there are other dwarf planets, such as Eris, Haumea, Makemake, and Ceres, that are not classified as major planets.
Solar System is our Sun and the eight planets (Plus all the other stuff that revolves around our Sun). The Universe is everything - I mean everything. Trillions of stars, billions of galaxies and more than likely trillions of other solar systems.