Mantle (geology) Mantle (geology) The mantle is a layer inside a planetary body bounded below by a core and above by a crust. Mantles are made of rock or ices, and are generally the largest and most massive layer of the planetary body. Mantles are characteristic of planetary bodies that have undergone differentiation by density. All terrestrial planets (including Earth), a number of asteroids, and some planetary moons have mantles. The Earth's mantle is a layer of silicate rock between the crust and the outer core. Its mass of 4.01 × 10 kg is 67% the mass of the Earth. It has
What Do You See? What Do You See? "What Do You See?" (就在这里 in Mandarin) is a song by Singaporean band Electrico. It was commissioned as the official theme song for the 2009 National Day Parade. The song is one of the few National Day Parade theme songs that does not mention the word ""Singapore"" in its lyrics. Its lyrics were cited by Prime Minister Lee Hsien Loong in his 2018 National Day Message. Directed by Bertrand Lee, the music video opens with a bokeh and later sharpens to reveal band member David Tan. The camera then traces him around the downtown core of