Asteroids and Their Potential Threats

What is the primary cause of sudden destruction from an asteroid strike?

• Volcanic eruptions

• Slow climate change

• Shifts in atmospheric composition

• Sudden impact and explosion

Which asteroid came close to Earth in 2019 with little warning?

• Chicxulub Impactor

• Toutatis

• 2019 OK

• Apophis

What is the Oort Cloud primarily composed of?

• Stars

• Comets and ice

• Planets

• Gas clouds

How long could it take for an asteroid from the Oort Cloud to reach Earth?

• A few months

• A few days

• Several years

• Hundreds to thousands of years

What is the primary source of asteroids in our solar system?

• The Sun

• The Kuiper Belt

• The Oort Cloud

• The Asteroid Belt between Mars and Jupiter

How long could it take for an asteroid from the asteroid belt to reach Earth?

• Several months

• A few hours

• A few days

• Several years

What is the only realistic countermeasure currently available for an imminent asteroid impact?

• Using nuclear weapons

• Building a large wall

• Sending astronauts to deflect it

• Evacuating the planet

What is a gravity tractor?

• A device that uses gravity to pull asteroids

• A machine that digs into asteroids

• A tool for measuring asteroid mass

• A spacecraft that lands on asteroids

Why is international cooperation important in dealing with asteroid threats?

• Asteroids only affect certain countries

• Only a few countries have space agencies

• Asteroids can be easily deflected by one nation

• An impact would affect the entire planet

What is the role of non-profit projects like the Sentinel mission?

• To develop new space suits

• To fund space tourism

• To track and monitor asteroids

• To build new telescopes