Bruce Murray Space Image Library

Boulders on the Horizon

Boulders on the Horizon
Boulders on the Horizon This image shows several large boulders positioned on asteroid Bennu’s equatorial ridge. The image was taken by the PolyCam camera on NASA’s OSIRIS-REx spacecraft on 12 April 2019 from an altitude of 2800 meters. The field of view is 40.3 meters wide. For scale, the largest boulder on the horizon is more than 5.2 meters tall, which is about the height of a two-story house. The image was obtained during Flyby 6B of the mission’s Detailed Survey: Baseball Diamond phase. When the image was taken, the spacecraft was over the northern hemisphere, pointing PolyCam south and to the west. NASA / GSFC / UA

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