The lighter-colored highland regions of the moon are composed of anorthosite, a certain kind of igneous rock. On Earth, anorthosite is uncommon, except for in the Adirondack Mountains and the Canadian Shield. http://earthsky.org/tonight/believe-it-or-not-moons-near-side-is-dark-side?utm_source=EarthSky+News&utm_campaign=97d8fd80c9-EarthSky_News&utm_medium=email&utm_term=0_c643945d79-97d8fd80c9-393979433
One of the most spectacular sights in all of nature is the corona during a total solar eclipse. The corona is the sun's atmosphere. It actually extends far out into the solar system, well past the Earth.