Comets and asteroids
Chapter 1
Leftovers of cosmic creation
View / Create
Answer
Chapter 2
Cosmic visitors and Earthly impacts
View / Create
Answer
Chapter 3
Human missions to touch the stars
View / Create
Answer
Chapter 4
The future of space rocks
View / Create
Answer
YOUR GOAL
Master of Comets and asteroids
Ch 2 · Cosmic visitors and Earthly impacts
teacher Ancient dust from Bennu's quiet cosmic dome, Brings the salty seeds of life to find an earthly home.
Fun Fact
Antarctic meteorites: Antarctica is the best place to find meteorites because dark space rocks stand out clearly against the white ice.
Glossary
meteorite (noun)
A solid piece of debris from a celestial body that survives passage through the atmosphere to reach Earth's surface. In 2013, a massive space rock exploded over Chelyabinsk, Russia, leaving behind numerous meteorite fragments.
A solid piece of debris from a celestial body that survives passage through the atmosphere to reach Earth's surface. In 2013, a massive space rock exploded over Chelyabinsk, Russia, leaving behind numerous meteorite fragments.
Quiz
What is a space rock called after it successfully survives the atmosphere and lands on Earth?
Quiz
What made the 1908 Tunguska event in Siberia highly unusual for a major cosmic impact?
Quiz
Which planet did Comet Shoemaker-Levy 9 crash into in 1994, showing the power of cosmic impacts?
Quiz
What rare element found in asteroid dust helped scientists prove an asteroid killed the dinosaurs?
Quiz
Where on Earth did the dinosaur-extinguishing asteroid strike 66 million years ago?
Quiz
Which US state contains the famous, well-preserved Barringer Crater created by an iron-metallic asteroid?
Quiz
Why is the continent of Antarctica considered a goldmine for scientists hunting meteorites?