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Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids.
- In Depth | Sun – NASA Solar System Exploration
The Sun is a 4.5 billion-year-old yellow dwarf star – a hot...
- Sun - NASA Science
The Sun is the star at the heart of our solar system. Its...
- Stars - NASA Science
Astronomers estimate that the universe could contain up to...
- Solar System Exploration - NASA Science
The solar system has one star, eight planets, five dwarf...
- In Depth | Sun – NASA Solar System Exploration
The Sun is the easiest star for us to study, making it very useful to the field of astrophysics. It's the closest star and the only one we can visit to explore. Proxima Centauri, the next-nearest star, is light-years away. What we learn from the Sun can teach us about other stars in the Milky Way galaxy and beyond.
27 de mar. de 2019 · The universe is filled with billions of star systems. Located inside galaxies, these cosmic arrangements are made up of at least one star and all the objects that travel around it, including...
