NASA’s OSIRIS-REx Snaps New Photo Of The Asteroid Bennu

OSIRIS-REx Asteroid BennuImage source: NASA's OSIRIS-REx/Twitter

It has been over two years since NASA’s OSIRIS REx was launched. Now a new photo of the asteroid Bennu brings us closer to it than ever before. The space agency referred to the photo as a “super-resolution” view of the asteroid.

OSIRIS-REx’s mission is to study the large, carbon-containing asteroid known as Bennu. Scientists strongly believe this type of asteroid carries the building blocks of life on Earth. The spacecraft is expected to reach the asteroid in a month. In addition to studying the massive space rock, it will also bring back a sample which scientists expect will give them a bigger picture of how the solar system was formed.

The new photo of the asteroid Bennu was made from a series of images taken on Oct. 29, which NASA shared earlier this week. NASA used eight images to create an ultra-clear composite image.

“The spacecraft was moving as it captured the images with the PolyCam camera, and Bennu rotated 1.2 degrees during the nearly one minute that elapsed between the first and the last snapshot,” NASA said this week. “The team used a super-resolution algorithm to combine the eight images and produce a higher resolution view of the asteroid. Bennu occupies about 100 pixels and is oriented with its north pole at the top of the image.”

NASA’s OSIRIS REx was launched in September 2016, and it is expected to reach Bennu in December. It carries a set of five scientific instruments that will be used to explore the asteroid. In addition to returning a carbon-rich asteroid sample and studying Bennu’s surface and composition, NASA’s OSIRIS-REx will also look into how sunlight affects its orbit and document its regolith, the layer of material covering its surface. The asteroid sample will be returned to Earth in 2023.

Researchers at the Instituto de Astrofisica de Canarias (IAC), said the new photo of the asteroid Bennu is just the first of more exciting observations to come.

“In December 2018 we will start to obtain images with MapCam, also one of the cameras of the mission, using color filters,” IAC researcher Javier Licandro said in a statement. “This will allow us to generate color maps and to study the geographical distribution of different materials on Bennu, including silicates altered by the presence of liquid water.”

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About the Author

Danica Simic
Danica Simic has been writing ever since she was a child. Before she started writing for ValueWalk she was reviewing laptops, headphones and gaming equipment as well as writing articles about astronomy and game development. Danica is a student of applied and computational physics while also studying software and data engineering. Her hobbies include reading, swimming, drawing and gaming whenever she has free time. - Email her at [email protected]

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