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Ask the expert
Why is the Night Sky Dark?
If the universe is infinite and filled with shining stars, we might expect a continuously bright sky. Why then is it dark at night?
August 8, 2024 זמן קריאה משוער 7 -
Brainwash
Brainwash - What is a Fjord?
Where is the uvula located? What is a tropical year? A challenging scientific trivia
December 21, 2022 זמן קריאה משוער 2