OSIRIS-REx spacecraft finds traces of water on asteroid

The video tutorial covers the mission of the Osiris Rex spacecraft to asteroid Bennu. It details the spacecraft's approach, data collection using spectrometers, and the discovery of hydroxyl molecules indicating past water interaction. The tutorial outlines the orbit schedule, sample collection plans using a robotic arm, and the return of samples to Earth in September 2023.

What did the OSIRIS-REx spacecraft discover about Bennu using its spectrometers?

• Presence of nitrogen compounds

• Presence of carbon dioxide

• Presence of methane gas

• Presence of hydroxyl molecules

When did OSIRIS-REx enter Bennu's orbit?

• Mid-August 2018

• Mid-February 2019

• Early December 2018

• December 31st, 2018

What is significant about Bennu in terms of space exploration?

• It is the largest asteroid ever visited by a spacecraft.

• It is the smallest planetary body ever orbited by a spacecraft.

• It is the first asteroid to be mined for resources.

• It is the first asteroid to have a human landing.

What mechanism did OSIRIS-REx use to collect samples from Bennu?

• A robotic arm with a scoop

• A vacuum suction device

• A touch and go sample acquisition mechanism

• A drill

When is the OSIRIS-REx spacecraft expected to return the samples to Earth?

• September 2023

• December 2021

• January 2024

• Mid-2020