NASA Spacecraft Begins Journey Back To Earth With Asteroid Sample

The Osiris-Rex spacecraft is on a two-year journey back to Earth after collecting samples from an asteroid it reached in 2018. The asteroid, estimated to be 4.5 billion years old, provided the largest sample size for the US since the Apollo moon missions.

How long is the Osiris-Rex mission expected to take to return to Earth?

• One year

• Three years

• Two years

• Four years

In which year did the Osiris-Rex spacecraft reach the asteroid?

• 2018

• 2019

• 2017

• 2016

How long did the spacecraft spend near the asteroid before collecting samples?

• Two years

• Four years

• Three years

• One year

What is the estimated age of the asteroid samples collected by Osiris-Rex?

• 5.0 billion years

• 4.5 billion years

• 4.0 billion years

• 3.5 billion years

The asteroid samples collected by Osiris-Rex will be the largest for the US since which mission?

• Voyager

• Apollo

• Hubble

• Galileo