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While exploring the observatory, you notice that the computer screen in the corner had suddenly light up! You approached it with curiosity…..

You stumble upon this news article on a phenomenon called "sky glow"!

But there seems to be a countdown of 1 minute before the article disappears.....

Multiple Choice

What is sky glow?

• The sunset glow of the evening sky

• Moonlight passing through the clouds

• The brightening of the night sky

Multiple Select

What are the man-made causes of sky glow?

• Electric lights of cars, street lamps, factories & buildings

• Lights from outdoor advertisements

• Background light from faint unresolved stars and nebulae

• Faint air glow in the upper atmosphere

• Anthropogenic activities

Multiple Choice

Is sky glow a product of light pollution?

• Yes

• No

Multiple Select

Where are some areas sky glow is commonly visible at?

• Over-illuminated commercial areas, sport complexes & stadiums

• Densely populated cities

• Suburban streets and housing estates

Multiple Select

What are some effects of sky glow?

• Nocturnal animals are able to see better

• Disruptions in biological rhythms

• Increased difficulty in viewing celestial objects