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Dark matter
Dark matter is considered “dark” because it does not interact with light,
making it impossible to directly observe with telescopes.
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BSL Sign Languages
of dark matter
(BSL Version)
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BSL Explanation
of dark matter
(BSL Version – Glossary of Astronomy)
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Glossary of Astronomy – dark matter
- dark matter is considered “dark” because it does not interact with light,
making it impossible to directly observe with telescopes. - without dark matter rapidly spinning galaxies as those circled ~ would sufficient gravitational glue to hold their stars.
- there are a possible explanations: there is more stuff (matter) that we don’t see with our telescopes ~ we call this dark matter.
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List of BSL Astronomy – D
- dark adaptation
- dark cloud
- dark matter
- dark sky
- dark sky discovery site
- dense core
- doppler effect
- double star
- dwarf planet
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