- Home
- China
- World
- Europe
- Politics
- Business
- Opinions
- Tech & Sci
- Culture
- Sports
- Travel
- Nature
- Picture
- Video
- Live
- TV
- Specials
Science
15:45, 30-Jun-2018
Quiz: How much do you know about asteroids?
Updated
15:02, 03-Jul-2018
["china"]
Share
Copied
66 million years ago, an asteroid with an explosive yields equals to 100 trillion tons of TNT, hurtled toward eastern Mexico at a speed of 40,000 mph and wiped out most of the dinosaurs.
Tyrannosaurus Rex dinosaurs escaping the heat and fire of a big meteorite crash. /VCG Photo
Tyrannosaurus Rex dinosaurs escaping the heat and fire of a big meteorite crash. /VCG Photo
On June 30, 1908, the Podkamennaya Tunguska River, located in Russia’s Siberia forest, was struck by an asteroid which destroyed thousands of square miles of forests. It was so powerful that people living 40 miles away were also seriously effected.
Taiga forest in the interfluve of the Podkamennaya Tunguska and Angara Rivers /VCG Photo
Taiga forest in the interfluve of the Podkamennaya Tunguska and Angara Rivers /VCG Photo
Test your knowledge!
To mark the largest-recorded event and raise awareness of the hazardous impact, the United Nation has proclaimed June 30 International Asteroid Day. Now let’s find out how much do you know about the asteroid.
1
1. What does “asteroid” actually mean?
1 / 7
Next
2
2. Where do the majority of the asteroid locate?
2 / 7
Next
3
3. Which is the first discovered asteroid in the solar system?
3 / 7
Next
4
4. What are NEOs?
4 / 7
Next
5
5. Most small asteroids are not necessarily studied.
5 / 7
Next
6
6. How many known asteroids have a diameter of more than 100km?
6 / 7
Next
7
7. The diameter of an asteroid can range from miles to hundreds of miles.
7 / 7
Next
Correct
Wrong
Your Score
0
/
7
Let your friends and the world know
Start it again