Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?
This is your opportunity to ask questions. No question too simple or too silly.
Culture war topics are accepted, and proposals for a better intro post are appreciated.

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Notes -
There are loads of exoplanets, dust clouds with organic chemicals, and strange radio sources discovered every week. The reason you never hear about them is that you need an advanced background in spectroscopy to make sense out of the data.
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