Crust (geology) formed almost immediately after formation of the Moon. Magmatism continued after the period of intense meteorite impacts ended about 3.9 billion years ago, but igneous rocks younger than 3.9 billion years make up only a minor part of the crust. Crust (geology) In geology, the crust is the outermost solid shell of a rocky planet, dwarf planet, or natural satellite. It is usually distinguished from the underlying mantle by its chemical makeup; however, in the case of icy satellites, it may be distinguished based on its phase (solid crust vs. liquid mantle). The crusts of Earth, Moon, Mercury, Venus, Mars,
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