Directory - NASA Solar System Exploration
Jan 9, 2025 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
In Depth | Our Solar System – NASA Solar System Exploration
The planetary system we call home is located in an outer spiral arm of the Milky Way galaxy. Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets …
Pluto By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · Pluto was once our solar system's ninth planet, but has been reclassified as a dwarf planet. It's located in the Kuiper Belt.
The Sun By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · 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 – …
Recipe for Neptune Revealed by Scientists - NASA Solar System …
Oct 26, 2000 · What do you get if you mix together one part helium and five-and-a-half parts hydrogen, add a dash of methane, heat to 60 Kelvins (-351 degrees F) and let sit for over four …
Europa By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · Europa is one of the largest of Jupiter’s more than 90 moons. It's the sixth-closest moon to the planet.
In Depth | Uranus – NASA Solar System Exploration
The seventh planet from the Sun with the third largest diameter in our solar system, Uranus is very cold and windy. The ice giant is surrounded by 13 faint rings and 27 small moons as it …
The Kuiper Belt should not be confused with the Oort Cloud, which is a thousand times more distant. In 1950, astronomer Jan Oort proposed that certain comets come from a vast, …
Uranus By the Numbers - NASA Solar System Exploration
Jan 9, 2025 · Uranus is the seventh planet from the Sun, and the third largest planet in our solar system. It appears to spin sideways.
Juno - NASA Solar System Exploration
Jan 9, 2025 · Juno is on a mission to probe beneath Jupiter's dense clouds and answer questions about the origin and evolution of Jupiter, and our solar system.