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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
If a star system at 30 parsecs distance is found to be broadcasting intelligent radio signals, then their news is already ________ years old.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
This astronomy class is killing me, thanks for chiming in and answering
Minoring in physics
wrote...
#3
8 years ago
Happy to help Slight Smile
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