Crust (geology) only planet in our Solar System with plate tectonics. The crust is a thin shell on the outside of the Earth, accounting for less than 1% of Earth's volume. It is the top component of lithosphere: a division of Earth's layers that includes the crust and the upper part of the mantle. The lithosphere is broken into tectonic plates that move, allowing heat to escape from the interior of the Earth into space. The crust lies on top of the mantle, a configuration that is stable because the upper mantle is made of peridotite and so is significantly denser than
Aya (given name) Aya (given name) Aya is a feminine given name with multiple meanings in different languages. In Old German, Aya means "sword". Aya (あや, アヤ) is a common female Japanese given name meaning "design", "colorful" or "beautiful". Aya is also in use in the Hebrew language and means "to fly swiftly" or "bird". Aya is also an Arabic feminine name written as آية meaning "wonderful", "amazing", "miracle" or "verse" (of the Quran). In Mongolian, similar to Turkish, it means goodness, music and "melody". In Chemehuevi, Aya means "tortoise". In Baoule on the Ivory Coast, Aya is given to the female born