An astronomical unit (AU) is exactly 149,597,870,700 meters (92,955,807 miles or 149,597,871 kilometers), according to the International Astronomical Union (IAU). This is roughly the average ...

Now the diameter of the known universe can be described as 558 billion trillion miles (that’s 558 followed by 21 zeros) or 28 ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

The Sun and Earth are 149 million kilometres apart, and we give this distance a name: an astronomical unit (AU). For an even twistier unit of distance, we use the parsec (insert Han Solo Kessel ...

An astronomical unit (AU) is equal to the distance between Earth and the sun, 93 million miles. Technically, A11pl3Z is already in the solar system, and is currently 3.8 AU away from Earth as of ...

One astronomical unit is the distance between the Earth and Sun, approximately 91.757 million miles. For comparison, the dwarf planet Pluto is located 34 AU from the Sun. This illustration shows ...