Planetary System

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nasa.gov
https://solarsystem.nasa.gov/solar-system/our-solar-system/in-depth.…
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.
nasa.gov
https://solarsystem.nasa.gov/planets/in-depth.amp
What is a Planet? | Planets – NASA Solar System Exploration
A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.
nasa.gov
https://solarsystem.nasa.gov/news/2120/nasa-planetary-science-hig…
NASA Planetary Science Highlights: 2021 - NASA Solar System …
Dec 23, 2021 · Our 2021 round-up of NASA planetary science is packed with the year’s most spectacular images, ground-breaking discoveries, and incredible mission events.
nasa.gov
https://solarsystem.nasa.gov/missions/cassini-hds/overview
Overview | Cassini – NASA Solar System Exploration
Cassini carried a passenger to the Saturn system, the European Huygens probe—the first human-made object to land on a world in the distant outer solar system. After 20 years in space — 13 of those years exploring Saturn — Cassini exhausted its fuel supply.
nasa.gov
https://solarsystem.nasa.gov/news/1652
10 Things to Expect in Planetary Science for 2021 - NASA Solar …
Jan 28, 2021 · New missions and new milestones are on the calendar for 2021. Here are some of the things to watch for in planetary science, as we continue to explore and learn about our incredible solar system.
nasa.gov
https://solarsystem.nasa.gov/about-us
About Us - NASA Solar System Exploration
Oct 24, 2024 · 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.
nasa.gov
https://solarsystem.nasa.gov/studies/29//rings-research-in-the-next-d…
Rings Research in the Next Decade - NASA Solar System Exploration
Oct 24, 2024 · The study of planetary ring systems forms a key component of planetary science. We discuss priority activities for the next decade including full support for the Cassini Solstice Mission, a spacecraft mission to Neptune and/or Uranus, …
nasa.gov
https://solarsystem.nasa.gov/planets/earth/in-depth.amp
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.
nasa.gov
https://solarsystem.nasa.gov/rps-3d
RPS 3D Viewer - NASA Solar System Exploration
Oct 24, 2024 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
nasa.gov
https://solarsystem.nasa.gov/missions/cassini-hds/mission/grand-fin…
Cassini - The Grand Finale – NASA Solar System Exploration
Oct 24, 2024 · With discoveries at Saturn’s moons Enceladus and Titan, Cassini and Huygens made exploring “ocean worlds” a major focus of planetary science. Insights from the mission also help us look for potentially habitable planets -- and moons -- beyond our solar system.
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