Sep 30, 2025 · Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of asteroids and comets. Our solar system is located in the Milky …

The Solar System currently moves through a cloud of interstellar medium called the Local Cloud. The closest star to the Solar System, Proxima Centauri, is 269,000 AU (4.25 ly) away. Both are within the …

Nov 27, 2025 · Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with more than 400 known planetary satellites; many asteroids, some with their own satellites; …

Back with another hour-long deep dive into the wonders of our splendacious solar system.

May 18, 2025 · With each planet, moon, asteroid, and comet, the solar system tells a story of birth, destruction, rebirth, and motion—stories written in craters, frozen oceans, swirling storms, and …

Learn facts about the solar system's genesis, plus its planets, moons, and asteroids. The sun keeps the planets in its orbit with a tremendous gravitational force.

Today, spacecraft missions provide scientists a closer look at these important building blocks of our solar system.

The solar system is the Sun and all the objects that are bound to the Sun by gravity. The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

Welcome to the star and nine planets of our neighborhood, the solar system. Formed 4.5 billion years ago, it was made from dust and gas remnants of the big bang. Just one of billions of stars in our …

Aug 27, 2025 · While Earth is only the fifth largest planet in the solar system, it is the only planet in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the …