JAXA space probe arrives near asteroid

The Hayabusa 2 spacecraft, launched in December 2014, has reached asteroid Rugu, located 3 billion kilometers from Earth. It will orbit the asteroid for several months to map its surface before attempting a landing. The probe will use explosives and a cannon to create a hole on the surface to collect samples. After completing its mission, Hayabusa 2 will embark on a year-and-a-half journey back to Earth, with an expected return in 2020.

What method will the probe use to collect samples from the asteroid's surface?

• Drilling

• Explosives and a cannon

• Robotic arm

• Magnet

In what year is Hayabusa 2 expected to return to Earth?

• 2018

• 2019

• 2020

• 2021