Asteroid Impact and Defense Knowledge

The video discusses the impact of asteroids on Earth, starting with the extinction event that wiped out the dinosaurs. It explains the scale of such impacts and provides examples of smaller asteroid events, like the 1992 meteor and the Tunguska event. The speaker highlights the potential threat of asteroids and the importance of detecting and deflecting them. Techniques such as using space probes and ion drives are discussed as viable solutions to prevent future catastrophic impacts.

What was the estimated size of the asteroid that caused the extinction of the dinosaurs?

• One mile across

• Six miles across

• Ten miles across

• Three miles across

Which event in 1992 provided valuable footage of a meteorite breaking up?

• A meteorite over California

• A meteorite over Florida

• A meteorite over New York

• A meteorite over Texas

What is the name of the iconic crater in Arizona formed by an asteroid impact?

• Barringer Crater

• Grand Canyon

• Chicxulub Crater

• Meteor Crater

What is the probability of the asteroid Apophis hitting Earth in 2036?

• One in a million

• One in a thousand

• One in a hundred

• One in ten

What was the purpose of NASA's Deep Impact mission?

• To destroy an asteroid

• To study the moon

• To create a crater on a comet

• To land on an asteroid

What is the name of the foundation focused on asteroid deflection?

• The Spaceguard Foundation

• The Asteroid Defense League

• The Planetary Society

• The B612 Foundation

What type of engine is used to gently alter an asteroid's trajectory?

• Solar sail

• Nuclear propulsion

• Chemical rocket

• Ion drive

What is the key difference between humans and dinosaurs regarding asteroid impacts?

• Dinosaurs lived longer

• Dinosaurs were larger

• Humans have a space program

• Humans are more intelligent

What is the main advantage of using an ion drive over chemical rockets for asteroid deflection?

• Higher speed

• Low thrust for precise control

• Lower cost

• Easier to build

What can humans do to prevent a future similar to the dinosaurs?

• Develop space technology

• Ignore asteroid threats

• Rely on luck

• Study dinosaur fossils