OSIRIS-REx watched its asteroid sample capsule head toward Earth (photos)


OSIRIS-REx watched its asteroid sample capsule head toward Earth (photos)

NASA’s OSIRIS-REx asteroid probe captured photos during the release of its return capsule last month, preserving the historic moment for posterity.

Those images, which the space agency released on Tuesday (Oct. 3), show the return capsule deploying from OSIRIS-REx on the morning of Sept. 24 and heading toward Earth.

“The sun is visible at the top of the frame, and a thin ‘crescent Earth’ can be seen at the left edge of the image,” NASA officials wrote of the photos, which mission team members combined into a GIF.

Related: NASA’s OSIRIS-REx lands samples of asteroid Bennu on Earth after historic 4-billion-mile journey

close-up of a brown and white conical capsule in space.

This image of the OSIRIS-REx sample return capsule still attached to the spacecraft’s instrument deck was captured by the spacecraft’s StowCam camera on Sept. 23 at 10:37:55 a.m. EDT (14:37:55 UTC), less than 24 hours before the capsule’s release.  (Image credit: NASA/Goddard/University of Arizona/Lockheed Martin)

The 110-pound (50 kilograms) capsule’s time as a free flyer was brief: It touched down as planned under parachutes in the northern Utah desert on Sept. 24, about four hours after being jettisoned.

The soft landing capped NASA’s first-ever asteroid sample-return effort. The capsule’s precious contents — dirt and gravel that OSIRIS-REx snagged from the near-Earth asteroid Bennu in October 2020 — quickly made their way to Johnson Space Center (JSC) in Houston, where the off-Earth material is getting processed, curated and stored.


—  How asteroid Bennu caught NASA’s OSIRIS-REx spacecraft by surprise and nearly killed it along the way

— No, the OSIRIS-REx probe will not bring back asteroid space ‘germs’

—  Dramatic sampling shows asteroid Bennu is nothing like scientists expected

Mission team members think OSIRIS-REx returned about 8.8 ounces (250 grams) of Bennu material. That’s just a pre-landing estimate, however; the exact amount is being worked out now, and will likely be announced during a webcast event on Oct. 11.

The OSIRIS-REx sample is expected to be a treasure trove for scientists to study for decades to come, NASA officials have said. Scientists around the world will scrutinize the asteroid bits for clues about the solar system’s early days and the role carbon-rich space rocks like Bennu may have played in delivering life’s building blocks to Earth long ago, among other lines of inquiry.

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