OSIRIS-REx photographs present asteroid Bennu’s rubble pile look – Astronomy Now

May 13, 2019 - Comment

NASA’s OSIRIS-REx spacecraft is busy mapping the asteroid Bennu, sending again a treasure trove of photographs revealing an amazingly fragmented floor resembling a roughly spherical rock pile. Within the shot under, captured 28 March, the spacecraft supplies an angled view of Bennu’s equator and northern hemisphere as seen from an altitude of about four kilometres


NASA’s OSIRIS-REx spacecraft is busy mapping the asteroid Bennu, sending again a treasure trove of photographs revealing an amazingly fragmented floor resembling a roughly spherical rock pile. Within the shot under, captured 28 March, the spacecraft supplies an angled view of Bennu’s equator and northern hemisphere as seen from an altitude of about four kilometres (2.5 miles). The sector of view is 52 metres (170 ft) throughout. To place the scene in perspective, the most important boulder seen at higher left measures 14.5 metres (48 ft) throughout, or concerning the size of a big lorry, or tractor-trailer.

Picture: NASA/Goddard/College of Arizona

The shot under, recorded 29 March, reveals a 48-metre-wide (157-foot-wide) discipline of view in Bennu’s northern hemisphere with a variety of rock sizes. For scale, the small rock resting atop the boulder at decrease left measures 2.5 metres (eight ft) extensive, or concerning the size of a horse.

Picture: NASA/Goddard/College of Arizona



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