The nearest star to the solar system is the Sun, but the nearest star to the solar system excluding the Sun is Proxima Centauri. The Sun is located about 93 million miles away from Earth, while Proxima Centauri lies about 4.22 light years away.Know More
Because the Sun is so close, it is the star that provides heat and light to the inhabitants of Earth. Earth and its fellow planets orbit around the Sun as part of a solar system within the Milky Way galaxy.
Proxima Centauri forms part of a star system called Alpha Centauri within the same galaxy. Alpha Centauri looks bright and is often considered a single star, but it is made of three separate stars. Proxima Centauri is the dimmest but also the closest of the three.Learn more about Stellar Astronomy
The geocentric, or Ptolemaic, model of the solar system is the astronomical model advanced by ancient people to describe the motions of the planets, Sun and moon. This model held that the Earth was the center of the solar system, and the other heavenly bodies orbited around it. Scientists now know that this model is incorrect and that the Sun is at the center of the solar system.Full Answer >
The Sun is a type of star. The Sun, which sits at the center of the solar system, is classified as a G-type main-sequence star, also referred to as a G-dwarf star or a yellow dwarf.Full Answer >
According to the University of Leicester, high mass stars are those that have at least three times the mass of the Sun. By contrast, low mass stars have less than half of the mass of the Sun, and intermediate mass stars have masses between the two extremes. High mass stars are the largest, hottest and brightest.Full Answer >
The solar system is a system in the universe that is comprised of the Sun, eight official planets, three dwarf planets and approximately 130 satellites of the planets, according to Nine Planets. Besides these bodies, the solar system also has numerous comets and asteroids, which are smaller. On the other hand, the Milky Way is the galaxy within which the solar system falls.Full Answer >