In Depth | Neptune – NASA Solar System Exploration
Introduction. Dark, cold, and whipped by supersonic winds, ice giant Neptune is the eighth and most distant planet in our solar system. More than 30 times as far from the Sun as Earth, Neptune is the only planet in our solar system not visible to the naked eye.
Neptune - NASA Solar System Exploration
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
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.
10 Need-to-Know Things About Neptune - NASA Solar System …
Neptune orbits our Sun, a star, and is the eighth planet from the Sun at a distance of about 2.8 billion miles (4.5 billion kilometers).
Neptune By the Numbers – NASA Solar System Exploration
May 16, 2024 · Neptune is the eighth and most distant planet from the Sun, and the first planet discovered with math.
In Depth | Triton – NASA Solar System Exploration
Discovery. Triton was discovered on Oct. 10, 1846 by British astronomer William Lassell, just 17 days after Neptune itself was discovered. Overview
Neptune By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · Neptune is the eighth and most distant planet from the Sun. It’s the fourth largest, and the first planet discovered with math.
Neptune 3D Model – NASA Solar System Exploration
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FAQ | Mission – NASA Solar System Exploration
The maximum speed clocked by Cassini was 44.0 kilometers per second (98,346 miles per hour) relative to the Sun on June 25, 1999. Relative to Saturn, the spacecraft reached 30.7 kilometers per second (68,771 mph) during the Saturn Orbit Insertion maneuver on July 1, 2004.
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 – in its orbit.