Lithosphere-Asthenosphere boundary 100 km deep. Lithosphere-Asthenosphere boundary The Lithosphere-Asthenosphere boundary (LAB) represents a mechanical difference between layers in Earth’s inner structure. Earth’s inner structure can be described both chemically (crust, mantle, core) and mechanically. The Lithosphere-Asthenosphere boundary (referred to as the LAB by geophysicists) lies between Earth's cooler, rigid lithosphere and the warmer, ductile asthenosphere. The actual depth of the boundary is still a topic of debate and study, although it is known to vary according to the environment. The LAB is determined from the differences in the lithosphere and asthenosphere including, but not limited to, differences in grain size, chemical composition,
What a Beautiful Name What a Beautiful Name "What a Beautiful Name" is a song by Australian praise and worship group Hillsong Worship. The song, written and led by Brooke Ligertwood and co-written with Ben Fielding, refers to the promise of salvation through Jesus Christ as represented by His Holy Name. The "genre-smashing single" contributed to Hillsong being named "Billboard"s Top Christian Artist of 2017. "What a Beautiful Name" won two Dove Awards for Song of the Year and Worship Song of the Year in 2017. It won the 2018 Grammy Award for Best Contemporary Christian Music Performance/Song. "What a Beautiful Name" was released