The Mysterious Measure of Our Cosmic Neighborhood: How Far is Earth from the Sun? We weren’t able to create a summary for you. Refresh your page to try again. Its mean distance from Earth is about 1.496 × 108 kilometres or about 8 light-minutes. The distance between the Sun and the Earth was used to define a unit of length called the astronomical unit (au), now defined to be 149.597 8707 × 106 kilometres. Its mean distance from Earth is about 1.496 × 108 kilometres or about 8 light-minutes. The distance between the Sun and the Earth was used to define a unit of length called the astronomical unit (au), now defined to be 149.597 8707 × 106 kilometres. Jan 21, 2022 · Earth's distance from the sun averages about 93 million miles (150 million km), which scientists also call one astronomical unit (1 AU). Jan 21, 2022 · Earth's distance from the sun averages about 93 million miles (150 million km), which scientists also call one astronomical unit (1 AU). 2 days ago · The meaning of MYSTERIOUS is of, relating to, or constituting mystery. How to use mysterious in a sentence. The costume is mysterious in its poverty as well as in its flair for incoherent details. MYSTERIOUS definition: full of, characterized by, or involving mystery. See examples of mysterious used in a sentence. Someone or something that is mysterious is strange and is not known about or understood.