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physical object > artifact > device > instrument > optical device > wavefront modifier > mirror > meniscus mirror

meniscus mirror
subject			fact

meniscus mirror	has definition A very thin mirror with a high curvature. A method of constructing very large mirrors which assumes from the outset that the mirror is too thin to hold its shape against gravity and will require an active control system.
	is a kind of mirror
mirror	has reflective coating
	has wavefront modification shape
instrument	has operator
artifact	has creator
	has creation date
	has purpose
	has owner
physical object	has location or center of gravity
	has angular momentum
	has mass
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

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