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- In Depth | Sun – NASA Solar System Exploration
Without the Sun’s energy, life as we know it could not exist on our home planet From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky But the Sun is a dynamic star, constantly changing and sending energy out into space
- The Sun By the Numbers - NASA Solar System Exploration
The Sun is the star at the heart of our solar system Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest bits of debris – in its orbit
- In Depth | Our Solar System – NASA Solar System Exploration
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
- Mars By the Numbers - NASA Solar System Exploration
Mars is the fourth planet from the Sun, and the seventh largest It’s the only planet we know of inhabited entirely by robots
- Jupiter - NASA Solar System Exploration
Jupiter Jupiter is the fifth planet from the Sun, and the largest in the solar system, by far — more than twice as massive as the other planets combined
- Kuiper Belt and Oort Cloud - NASA Solar System Exploration
In March 2004, a team of astronomers announced the discovery of a planet-like transneptunian object orbiting the Sun at an extreme distance, in one of the coldest known regions of our solar system
- In Depth | Earths Moon – NASA Solar System Exploration
During a "full moon," the hemisphere of the Moon we can see from Earth is fully illuminated by the Sun And a "new moon" occurs when the far side of the Moon has full sunlight, and the side facing us is having its night
- In Depth | Kuiper Belt – NASA Solar System Exploration
The inner, main region of the Kuiper Belt ends around 50 AU from the Sun Overlapping the outer edge of the main part of the Kuiper Belt is a second region called the scattered disk, which continues outward to nearly 1,000 AU, with some bodies on orbits that go even farther beyond
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