Theres only one - our sun.
About 66 in total, though the number of star systems is less, since there can be two or more stars in any system.
Our galaxy has over 200 billion stars; many of them do have planets, and thus qualify as a "solar system". As to the total number, we will never know, as solar systems will live and die. As a rough guess, at least 50% of all stars should have planets - so that could be classified as a "Solar System".
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The most common star in our solar system is the Sun, with a total count of one (1). There are no other stars inside the solar system.
As of now, there are eight recognized planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Beyond our solar system, there are countless exoplanets orbiting other stars, but the exact number is constantly changing as discoveries are made.
The major star in the solar system is the Sun, which is a G-type main-sequence star (G dwarf) that provides light and heat, enabling life on Earth. The Sun contains about 99.86% of the solar system's total mass and its gravitational pull keeps the planets, including Earth, in orbit. Other than the Sun, there are no significant stars within our solar system; however, various celestial bodies, like planets and asteroids, orbit around it.
Our own galaxy has between 100 and 400 billion stars; there are hundreds of billions of similar galaxies in the OBSERVABLE Universe, and it is believed that the entire Universe is much, much bigger than the observable Universe (how much bigger, is not known). It seems that at least a large percentage of those stars have planets, which means they can be called "solar systems".
Well friend, I see you're curious about the stars! Stars suggest something shining bright and warm in the night sky. While our solar system doesn‚Äôt have any stars within it, we have a very important star called the Sun. The Sun gives us light, warmth, and energy to keep our planet flourishing just like a beautiful painting. ü鮂òÄÔ∏è
There are a total of 214 moons orbiting planets in our solar system.
The biggest Planet in solar system Jupiter has the most number of known moons. they are 63. including the biggest moon in solar system "Ganymede" along with "Io" , "Europa" etc