Energy - using electricity


How Light Pollution Affects the Stars

5
Average: 5 (6 votes)
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Constellation at Your Fingertips-Crux

5
Average: 5 (4 votes)
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Constellation at Your Fingertips-Leo

4.75
Average: 4.8 (4 votes)
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Constellation at Your Fingertips-Orion

5
Average: 5 (4 votes)
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The Night You Hatched

4.75
Average: 4.8 (4 votes)
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School Outdoor Lighting Audit

5
Average: 5 (5 votes)
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Spectra of Lights

5
Average: 5 (5 votes)
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Stellarium – Relacionar magnitude com poluição luminosa

5
Average: 5 (7 votes)

Auditoria - Iluminação Pública

5
Average: 5 (7 votes)

Ver ou não ver, eis a questão...

5
Average: 5 (7 votes)