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The OSIRIS-REx mission

OSIRIS-REx marks Canada's first participation in an asteroid sample-return mission. Using Canadian instrument OLA, the spacecraft will create a 3D map of Bennu's surface, allowing scientists to select a sample site. Canada will receive a portion of the asteroid material.

To know more about the mission


Mission objectives, how the mission works, about the spacecraft, its data sheet.

Canada's role

The OLA instrument and its team, and scientists from Canadian institutions.

Destination: Bennu

Bennu's location, size, composition, and scientific value.

Information kit

News releases, media advisories, backgrounder, FAQ and images, videos, and infographics for the OSIRIS-REx mission.


Overview of the mission's important dates and upcoming activities.

Mission news

What's new with the mission.


Photos, videos and infographics about the OSIRIS-REx mission.


Answers to frequently asked questions.

Asteroid activities

Create craters, make your own asteroid, discover scientists' methods and test your knowledge about the OSIRIS-REx mission.

OSIRIS-REx tech: Mapping an asteroid with lasers


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