An outcrop view of a metaconglomerate: 1  Shale is a sedimentary term. 2  Slate refers to a fine-grained, low-grade metasedimentary rock in which bedding is typically still visible: 3  Schist refers to a medium-to high-grade, medium-to coarse-grained metamorphic rock of any composition that has a fabric.
Total solar irradiance (TSI), is a measure of the solar radiative power per unit area normal to the rays, incident on the Earth's upper atmosphere. The solar constant is a conventional measure of mean TSI at a distance of one Astronomical Unit (AU).
Eclipse mania is coming to Idaho. According to nasa.gov, solar eclipses happen when the moon moves between the sun and Earth as the moon orbits Earth. When this happens, the moon blocks the light of the sun from reaching Earth. During a solar eclipse, the moon casts a shadow onto Earth. A total solar eclipse is only visible from a small area on Earth.