How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

Set your Parker Solar Probe sun flyby clocks for Dec. 24 at 6:53 a.m. EST (1153 GMT), Space Fans. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The sun is the star at the center of our solar system. It's the largest, brightest and most massive object in the solar system, and it provides the light and heat that life on Earth depends on.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA/Johns Hopkins APL/Steve Gribben A NASA spacecraft is about to give astronomers an ...

A NASA spacecraft is about to give astronomers an epic early Christmas present with the closest ever flyby of the sun on Dec. 24, but if you're wondering exactly when the ambitious solar encounter ...