dark hydrogen

名词 n.
中文释义

英文释义

名词 n.
  1. A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen). uncountable
    — One particular species of these candidates seems to be not dark at all: so-called dark hydrogen masses located in the optical Galactic disk.

词源

From being a state of matter which neither transmits nor reflects visible light, but can transmit infrared.
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