Light-Pollution-and-Astronomy

Video Details

In recognition of the International Year
ight, the International Dark-Sky
ciation presents Light Pollution and
onomy with IDA co-founder Tim Hunter,
d author and comet discoverer David Levy,
the National Optical Astronomy
rvatory’s Connie Walker. You are invited
oin th... More

2015-03-19

Added Mar 19, 2015  

Channel Entertainment

Duration 58:26   |   views 374


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