The word planet comes from the Greek πλανήται (planḗtai) 'wanderers'. In antiquity, this word referred to the Sun, Moon, and five points of light visible to the naked eye that moved across …

We strive to create a workout environment where everyone feels accepted and respected. That’s why at Planet Fitness Woodbridge, VA, we make sure our club is clean and welcoming, our …

2025年5月28日 · A more modern definition can be found in the Merriam-Webster dictionary which defines a planet as "any of the large bodies that revolve around the Sun in the solar system."

The smallest and fastest planet, Mercury is the closest planet to the Sun and whips around it every 88 Earth days. Spinning in the opposite direction to most planets, Venus is the hottest …

2025年8月16日 · Planet, broadly, any relatively large natural body that revolves in an orbit around the Sun or around some other star and that is not radiating energy from internal nuclear fusion …

The National Air and Space Museum provides an overview of our solar system, including the planets, moons, and other celestial objects.

How Many Planets Are There? And Is Pluto a Planet? By Graham Jones As astronomers make new discoveries, the definitions of what constitutes a planet or other celestial body change. In …

2025年3月12日 · 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 …

Planet Facts There are 8 planets in our solar system, they are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Planets in our solar system can be divided into two main …

2018年4月7日 · Astronomers define a planet as an object that orbits the sun (but not another object), is round (or nearly so) and has cleared the area around its orbit.