14 Questions
At what speed did the asteroid pass by Earth in 2021?
About 77,000 miles per hour
How wide was the asteroid that passed by Earth in 2021?
About 2,230 feet wide
What happens to most asteroids that enter Earth's atmosphere?
They burn up in it
What is the estimated number of years ago that a huge asteroid slammed into Earth?
About 65 million years ago
What do scientists use to track big asteroids?
Powerful telescopes
According to NASA's Lindley Johnson, how far in advance will scientists spot large asteroids?
Many years, if not centuries, before they are a threat
What is believed to have killed the dinosaurs?
A worldwide cloud of dirt and rock
What is the primary reason scientists track asteroids?
To predict potentially hazardous asteroids
What is a common fate of many asteroids that enter Earth's atmosphere?
They burn up in the atmosphere
What is the scale of the asteroid that passed by Earth in 2021?
Comparable to a jumbo jet
What event in Earth's history is linked to a massive asteroid impact?
The extinction of dinosaurs
What is the main benefit of tracking asteroids, according to Lindley Johnson?
It allows us to prepare for potential threats
How many years ago did a massive asteroid impact Earth, according to scientists?
65 million years ago
What is the purpose of NASA's asteroid tracking efforts, according to the text?
To prepare for potential asteroid threats
Learn about the giant asteroid that flew by our planet at an incredible speed. Scientists estimate its massive size and luckily, it didn't pose any danger. Take this quiz to explore more about asteroids and their journey around the sun.
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