Comet Impacts: Ancient Cataclysms
Explore the science of comets and their catastrophic impacts throughout Earth's history, from basic comet structure to mass extinction events and recent impact theories.
Questions
What is the primary component of comets?
- Rock
- Ice
- Gas
- All of the above
What is the typical size of a comet's nucleus?
- 1-10 kilometers
- 10-100 kilometers
- 100-1000 kilometers
- More than 1000 kilometers
What is the tail of a comet made of?
- Gas and dust
- Rock and ice
- Plasma
- All of the above
What is the orbital period of Halley's Comet?
- 76 years
- 100 years
- 150 years
- 200 years
Which comet is known for its extremely long tail?
- Hale-Bopp
- Hyakutake
- Shoemaker-Levy 9
- Kohoutek
What is the name of the comet that collided with Jupiter in 1994?
- Hale-Bopp
- Hyakutake
- Shoemaker-Levy 9
- Kohoutek
Which comet is believed to have caused the extinction of the dinosaurs?
- Chicxulub
- Hale-Bopp
- Hyakutake
- Shoemaker-Levy 9
What is the name of the crater formed by the Chicxulub impact?
- Chicxulub Crater
- Barringer Crater
- Vredefort Crater
- Sudbury Crater
What is the estimated diameter of the Chicxulub Crater?
- 100 kilometers
- 200 kilometers
- 300 kilometers
- 400 kilometers
What is the age of the Chicxulub Crater?
- 65 million years
- 100 million years
- 150 million years
- 200 million years
What is the name of the comet that is believed to have caused the Younger Dryas impact event?
- Clovis
- Younger Dryas
- Heinrich
- Laschamp
What is the estimated diameter of the Younger Dryas impact crater?
- 10 kilometers
- 20 kilometers
- 30 kilometers
- 40 kilometers
What is the age of the Younger Dryas impact crater?
- 10,000 years
- 12,000 years
- 14,000 years
- 16,000 years
What is the name of the comet that is believed to have caused the Tunguska event?
- Tunguska
- Chelyabinsk
- Vitim
- Sikhote-Alin
What is the estimated energy of the Tunguska impact?
- 10 megatons
- 20 megatons
- 30 megatons
- 40 megatons