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Brewster
Brewster
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GEOGRAPHY
Natural Phenomena
Yosemite Firefall
A fiery spectacle once created by humans now naturally ignites Yosemite's cliffs each winter
4 days ago
0
What was the primary reason the original Yosemite Firefall event was discontinued?
The event was stopped because the natural firefall at Horsetail Fall replaced it
The Firefall ended because it was a natural volcanic eruption that ceased
Environmental concerns and fire hazards caused by pushing burning embers off Glacier Point
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Steeeve
Steeeve is an IT guru
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GEOGRAPHY
Natural Phenomena
Aurora Australis
Aurora Australis paints the Antarctic skies with vibrant, dynamic light displays
28 Jan 2026
0
What causes the different colors observed in the Aurora Australis?
The colors depend solely on the time of day when the aurora occurs.
The colors are caused by reflections of sunlight off ice crystals in the atmosphere.
Different atmospheric gases and the altitude of particle collisions determine the colors.
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f0rmationlap
Formation laps
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GEOGRAPHY
Natural Phenomena
Aurora Australis
Aurora Australis paints the Antarctic sky with dynamic curtains of radiant light
25 Jan 2026
0
What causes the different colors observed in the Aurora Australis?
Reflections of sunlight off ice crystals in the atmosphere
Collisions between charged solar particles and different gases in Earth's atmosphere at varying altitudes
Volcanic eruptions releasing colored gases into the sky
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f0rmationlap
Formation laps
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GEOGRAPHY
Natural Phenomena
Aurora Australis
Aurora Australis paints the Antarctic skies with vibrant curtains of light in dynamic patterns
20 Jan 2026
0
What causes the different colors observed in the Aurora Australis?
Reflections of sunlight off ice crystals in the atmosphere
Volcanic gases emitted from Antarctic volcanoes reacting with sunlight
The interaction of solar wind particles with different gases at various altitudes in Earth's atmosphere
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f0rmationlap
Formation laps
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GEOGRAPHY
Natural Phenomena
Aurora Borealis
Aurora Borealis paints the Arctic sky with dynamic curtains of radiant light
10 Jan 2026
0
What causes the different colors observed in the Aurora Borealis?
The time of day when the aurora occurs
The temperature of the Earth's surface beneath the aurora
Different atmospheric gases and altitudes where solar particles collide
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