The Scale Of The Universe

The universe is so vast that it is almost impossible to grasp. One way to get a feel for its size is to use a series of astronomical stepping stones—from a planet, to a solar system, to a galaxy, and beyond.

The solar system _

The planets are lost in the space of the solar system— orbiting the Sun at distances ranging from tens of millions to billions of miles. The Sun itself is a typical middle-aged star, with a diameter of 865,000 miles (1.4 million km).

The solar system _

The planets are lost in the space of the solar system— orbiting the Sun at distances ranging from tens of millions to billions of miles. The Sun itself is a typical middle-aged star, with a diameter of 865,000 miles (1.4 million km).

, Planet Earth

Rocky planets such as Earth typically have diameters of few thousand miles or more. Gas giant planets like Jupiter can grow much bigger—over 60,000 miles (100,000 km) across.

Earth

Radius of Earth is 3,960 miles (6,380 km)

Moon

239,000 miles (384,000 km)

93 million miles ,(150 million km)

Earth

Radius of Earth is 3,960 miles (6,380 km)

Moon

239,000 miles (384,000 km)

93 million miles ,(150 million km)

The Kuiper belt

6.2 billion miles (10 billion km)

6.2 billion miles (1010 km)

Distance from center of Earth

The Oort cloud approx. 1 light-year (5.9 trillion miles / 9.5 trillion km) ,

The Kuiper belt

6.2 billion miles (10 billion km)

6.2 billion miles (1010 km)

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