2025年1月6日 · The next full Moon will be Monday evening, Jan. 13, 2025, appearing opposite the Sun (in Earth-based longitude) at 5:27 p.m. EST. This will be Tuesday from the South Africa and Eastern European time zones eastward across the remainder of Africa, Europe, Asia, Australia, etc., to the International Date Line in the mid-Pacific.

2024年12月30日 · This is exactly what we’ll be seeing from Venus and Saturn as they head for a super close approach in mid-January. After the beginning of the month, they quickly get closer and closer each evening, appearing at their most cozy …

2024年11月5日 · Saturn: Exploration. Four robotic spacecraft have visited Saturn. NASA’s Pioneer 11 provided the first close look in September 1979. NASA’s twin Voyager 1 and Voyager 2 spacecraft followed up with flybys nine months apart in 1980 and 1981.. Each flyby revealed intriguing details about the ringed giant world, but it wasn’t until the international Cassini …

2025年1月23日 · Four robotic spacecraft have visited Saturn. NASA’s Pioneer 11 provided the first close look in September 1979. NASA’s twin Voyager 1 and Voyager 2 spacecraft followed up with flybys nine months apart in 1980 and 1981. Each flyby revealed intriguing details about the ringed giant world, but it wasn’t until Cassini arrived in orbit in 2004 that our understanding of …

2019年4月22日 · A 3D model of Saturn, the ringed gas giant planet. National Aeronautics and Space Administration. NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.

2024年12月9日 · Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system. Collectively, since their launch in 1977, the twin Voyager 1 and Voyager 2 spacecraft discovered that Jupiter, Saturn, Uranus, and Neptune were far more complex than scientists had imagined.

2024年11月5日 · Orbit and Rotation. Saturn has the second-shortest day in the solar system. One day on Saturn takes only 10.7 hours (the time it takes for Saturn to rotate or spin around once), and Saturn makes a complete orbit around the Sun (a year in Saturnian time) in about 29.4 Earth years (10,756 Earth days).

2024年3月29日 · Ceres. Ceres is the smallest dwarf planet with an equatorial diameter of about 599 miles (about 964 kilometers). Ceres is about 1/13 the width of Earth.

2023年6月14日 · NASA Radar Imagery Reveals Details About Los Angeles-Area Landslides

2025年1月17日 · Introduction. The Voyager and Pioneer flybys of the 1970s and 1980s provided rough sketches of Saturn’s moons. But during its many years in Saturn orbit, NASA’s Cassini spacecraft discovered previously unknown moons, solved mysteries about known ones, studied their interactions with the rings and uncovered new mysteries – including the discovery on an …