Asteroid Impact Frequency and Statistics

The video explores the frequency and impact of asteroid collisions with Earth, comparing them to other celestial bodies like the Moon and Mercury. It discusses historical events such as the Tunguska and Chelyabinsk incidents and examines potential future threats from asteroids. The video concludes with a call to action for viewers to subscribe for more content.

What is the main theme of the mobile game Best Fiends mentioned in the video?

• A meteorite crash on a fictional planet

• A historical puzzle game

• A space exploration adventure

• A virtual farming simulation

How often do small meteoroids enter Earth's atmosphere each year?

• About 1,000 tons

• About 5,000 tons

• About 10,000 tons

• About 15,000 tons

What is the average frequency of an asteroid the size of an elephant hitting Earth?

• Once every century

• Once every decade

• Once every year

• Once every month

What was the size of the asteroid that caused the Chelyabinsk event in 2013?

• 40 meters wide

• 30 meters wide

• 20 meters wide

• 10 meters wide

How often do events like the Tunguska explosion occur on average?

• Every 500 years

• Every 1,200 years

• Every 2,000 years

• Every 5,000 years

What is the estimated frequency of a 1-kilometer asteroid hitting Earth?

• Once every 1 million years

• Once every 444,000 years

• Once every 200,000 years

• Once every 100,000 years

How many near-Earth objects are estimated to be larger than one kilometer?

• About 3,000

• About 500

• About 1,000

• About 2,000

What percentage of near-Earth asteroids larger than one kilometer have been discovered?

• 70%

• 50%

• 93%

• 99%

What is the probability of a 160-meter wide asteroid impacting Earth in the near future?

• 1 in 2,000

• 1 in 1,000

• 1 in 625

• 1 in 100

How close will the star Gliese 710 pass by Earth in the distant future?

• 77 light-hours

• 77 light-days

• 77 light-minutes

• 77 light-years