a branch of astronomy and dealing with the chemical composition and evolution of the universe and its parts.
the study of the chemistry of celestial bodies and space, esp by means of spectroscopy

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    astra digital radio audio Digital Radio over satellite, compatible with analog television transmissions. Alternatively the normal TV subcarriers can be modulated by a MPEG-1 Layer-2 48 kHz 192 kbps signal. Quality is better than analog carriers and only needs half the bandwidth (analog stereo = 2 carrier, digital stereo = 1 carrier). Quality is limited […]

  • Astra

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    to in outer space.

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