What are the highest clouds in Earth's atmosphere, forming at about 80 km and glowing at night?
Answer
Noctilucent clouds
The well runs deep
Trivia questions and answers, drawn fresh from the well
83,362 public questions across 1,329 topics. Challenge yourself, or build the perfect quiz for game night.
83,362
Questions with answers
1,329
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
What are the highest clouds in Earth's atmosphere, forming at about 80 km and glowing at night?
Answer
Noctilucent clouds
What optical phenomenon appears as a colored ring around the sun with a radius of 46 degrees?
Answer
46° halo
What is the name for a strong, cold wind that blows from the northeast in the Adriatic Sea region?
Answer
bora
What is the term for a large-scale, persistent low-pressure system near the Earth's poles?
Answer
polar vortex
What type of fog forms when warm, moist air moves over a colder surface?
Answer
advection fog
0 / 5
Round complete
83,362 trivia questions
Every question has an answer
1,329 public topics
Something for every quiz
Free to explore
Reveal answers at your own pace
Fresh from the well
Latest trivia questions
What type of fog forms when warm, moist air moves over a colder surface?
Answer
advection fog