Why is space dark?

19 July 2013
Presented by Chris Smith, Redi Tlhabi

ClearedDiskFNL.jpg

Artist's conceptualization of the TYC 8241 2652 system as it might appear now after most of the surrounding dust has disappeared -- based on observations by the Gemini Observatory and other ground and space-based observatories.

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Why is space dark; do bags of coins deter flies; why don't cats go grey; is GPS or an odometer more accurate; what was the effect of the Med drying up in the past; what does an ice-pack versus a hot-pack do for an injury; how might maternal diabetes affect a baby's future health, and should I let the tap run before drinking any water? Plus, urine-powered electricity supplies...

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