In Depth | Sun – NASA Solar System Exploration
The Sun is a 4.5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system. It’s about 93 million miles (150 million kilometers) from Earth and it’s our solar system’s only star.
The Sun By the Numbers – NASA Solar System Exploration
Dec 19, 2024 · 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.
RPS 3D Viewer - NASA Solar System Exploration
3 days ago · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
Planet Compare - NASA Solar System Exploration
3 days ago · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
Jupiter By the Numbers - NASA Solar System Exploration
May 7, 2024 · Jupiter is the fifth planet from the Sun, and the largest in the solar system – more than twice as massive as the other planets combined.
In Depth | Jupiter – NASA Solar System Exploration
Jupiter is the fifth planet from our Sun and is, by far, the largest planet in the solar system – more than twice as massive as all the other planets combined. Jupiter's stripes and swirls are actually cold, windy clouds of ammonia and water, floating in an atmosphere of hydrogen and helium.
10 Things, June 12: NASA's First Mission to Touch the Sun
Jun 12, 2017 · Parker Solar Probe, NASA's first mission to go to the sun, is named after Eugene Parker, an American astrophysicist who first theorized that the sun constantly sends out a flow of particles and energy called the solar wind.
In Depth | Earth – NASA Solar System Exploration
While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal.
About Us - NASA Solar System Exploration
3 days ago · We provide the public with reliable, accurate, up-to-date information about the planets, moons, asteroids, comets and everything else in our solar system. We also provide a complete historical record of deep space exploration.