When it comes to space, scientists use a variety of measures. But what measure is used when calculating the distance from Earth to the Sun?

The astronomical unit is equal to around 150 million kilometers, or 93 million miles. It's used to measure the distance from Earth to the Sun. However, the actual distance changes by approximately 3% as Earth circles the Sun once a year.

Asked by Vasilii Kulev · Last updated 4 years ago · 2.4K views · SOURCE