planet background

planet

/ˈplænət/ /ˈplænɪt/

Illustration planet - Image 1

noun

行星，星球

Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.

Examples :

"The ancient Greeks studied the planets, including Mercury and Mars, to understand the night sky. "

古希腊人研究包括水星和火星在内的行星（古代指在夜空中相对于恒星移动的星体），以了解夜空。

astronomy space essential

Illustration planet - Image 1

Illustration planet - Image 2

noun

行星, 星体

A body which orbits the Sun directly and is massive enough to be in hydrostatic equilibrium (effectively meaning a spheroid) and to dominate its orbit; specifically, the eight major bodies of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. (Pluto was considered a planet until 2006 and has now been reclassified as a dwarf planet.)

Examples :

"Our solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. "

我们的太阳系有八颗行星：水星、金星、地球、火星、木星、土星、天王星和海王星。

astronomy space science essential

Illustration planet - Image 1

Illustration planet - Image 2

noun

行星，星球

A large body which directly orbits any star (or star cluster) but which has not attained nuclear fusion.

Examples :

"Jupiter is a giant planet in our solar system. "

木星是我们太阳系里的一颗巨大的行星。

astronomy space science essential

Illustration planet - Image 1

Illustration planet - Image 2

noun

地球，行星

In phrases such as the planet, this planet, sometimes refers to the Earth.

Examples :

"My family loves visiting this planet. "

我的家人很喜欢来地球旅行。

astronomy space world geography essential