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This week we’re not going to give you any hints, so we’ll let you think in silence.
But we still expect to read your replies with explanations! #ArianeGrouppic.twitter.com/6XV45pPyJD
That’s right, this was a trick question.
A decibel meter can’t really function in space. If there were some air inside it would explode. And without some air sealed inside to measure sound waves, the meter couldn’t “hear” anything and the meter’s scale would show 0 dB.pic.twitter.com/NmqJanJJ67
0. Or is there any attenuation in space?
Since dB is a logarithmic scale 0dB doesn’t mean no sound That would correspond to -infinity dB. Due to a very low but non-zero particle/energy density in space, I would have thought the answer to be some large large negative dB amount. But it seems not to be 
You're absolutely right Jan, but we had to convey the general idea to our non-engineers followers. 
0 cause Mechanic signals need matter to spread :)
Well, there was that one time we did ithttps://twitter.com/Peter_J_Beck/status/1331386567970017280 …
A) 0 dB Because sound propagates through a transmission medium (solid, liquid or gas), and space is pretty much a vacuum environment.
0. Sound needs a medium to travel through.
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