In Depth | Our Solar System – NASA Solar System Exploration
Beyond our own solar system, there are more planets than stars in the night sky. So far, we have discovered thousands of planetary systems orbiting other stars in the Milky Way, with more planets being found.
What is a Planet? | Planets – NASA Solar System Exploration
Everyone knows that Earth, Mars and Jupiter are planets. But both Pluto and Ceres were once considered planets until new discoveries triggered scientific debate about how to best describe them—a vigorous debate that continues to this day.
RPS 3D Viewer - NASA Solar System Exploration
2 days ago · 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
2 days ago · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
The Solar System and Beyond is Awash in Water
Apr 6, 2015 · As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly unrelated worlds in surprising ways.
In Depth | Moons – NASA Solar System Exploration
Of the terrestrial (rocky) planets of the inner solar system, neither Mercury nor Venus have any moons at all, Earth has one and Mars has its two small moons. In the outer solar system, the gas giants Jupiter and Saturn and the ice giants Uranus and Neptune have dozens of moons.
Jupiter By the Numbers – NASA Solar System Exploration
May 7, 2024 · Jupiter is the fifth planet from the Sun, and the largest in the solar system – more than twice as massive as the other planets combined.
SINISTER SOLAR SYSTEM – NASA Solar System Exploration
Oct 24, 2024 · Our universe is full of apparitions, mysterious sights, and spine-tingling sounds. Take a journey to some of the frightful corners of the cosmos.
10 Things to Expect in Planetary Science for 2021
Jan 28, 2021 · Sending the first Artemis mission to the Moon in preparation for human missions, landing a new rover on Mars, and launching the James Webb Space Telescope into space, expanding our ability to see deep into the universe, are …
In Depth | Mars – NASA Solar System Exploration
The fourth planet from the Sun, Mars is one of Earth's two closest planetary neighbors (Venus is the other). Mars is one of the easiest planets to spot in the night sky – it looks like a bright red point of light.