1 Honda Civic Mugen Si: The Coupe and Sedan A hot hatch in every sense of the term, the Honda Civic Mugen Si is a powerful, road-hugging beast. 2  Aggressively styled and available with a powerful range of engines, it is â¦.
A formation or geological formation is the fundamental unit of lithostratigraphy. A formation consists of a certain number of rock strata that have a comparable lithology, facies or other similar properties.
Star formation. Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as stellar nurseries or star-forming regions, fuse to form stars.