BSL Sign Language Dictionary

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dark matter

How to sign: (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the matter in the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force

Dark Matter in BSL Watch how to sign Dark Matter in British Sign Language
Dark Matter - Scottish Sensory Centre More details
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Categories: substance, matter

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