Planet Compare – NASA Solar System Exploration
2024年12月19日 · 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 | Saturn – NASA Solar System Exploration
Like fellow gas giant Jupiter, Saturn is a massive ball made mostly of hydrogen and helium. Saturn is not the only planet to have rings, but none are as spectacular or as complex as Saturn's. Saturn also has dozens of moons.
In Depth | Jupiter – NASA Solar System Exploration
Jupiter's stripes and swirls are actually cold, windy clouds of ammonia and water, floating in an atmosphere of hydrogen and helium. Jupiter’s iconic Great Red Spot is a giant storm bigger than Earth that has raged for hundreds of years. Jupiter is surrounded by dozens of moons.
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.
Flybys | Saturn Tour – NASA Solar System Exploration
Scientists have completed the longest-ever study tracking temperatures in Jupiter’s upper atmosphere where its signature colorful striped clouds form. 40-Year Study Finds Mysterious Patterns in Temperatures at Jupiter
35th Anniversary of the Voyager 1 Saturn Flyby
On November 12, 1980, 35 years ago, Voyager 1 became the second spacecraft to flyby Saturn. Its main objectives were to conduct close-up studies of Jupiter and Saturn, Saturn’s rings, and the larger moons of the two planets.
What's Up? Saturn – NASA Solar System Exploration
2016年6月1日 · Jupiter is the brightest of the three, visible in the western sky all evening. The four Galilean moons are easily visible in binoculars or telescopes. If you think you're seeing 5 moons on June 10th, you're not.
Saturn By the Numbers – NASA Solar System Exploration
2024年12月19日 · Saturn is the sixth planet from the Sun, and the second largest in the solar system. It’s surrounded by beautiful rings.
Scenic Route to Saturn – NASA Solar System Exploration
2017年6月8日 · This graphic depicts Cassini's interplanetary route beginning with launch from Earth, followed by gravity assist flybys of Venus, Earth, and Jupiter. During each flyby, orbital momentum was transferred from each planet to the spacecraft, increasing the spacecraft's velocity relative to the sun so Cassini could reach Saturn.
Saturn | Science – NASA Solar System Exploration
2024年12月19日 · Saturn Overview: Before Cassini, scientists viewed Saturn’s unique features only from Earth and from a few spacecraft flybys. But over more than a decade orbiting the gas giant, Cassini studied the composition and temperature of Saturn’s upper atmosphere as the seasons changed there.