Recent News

What's happening at the AO?


Dr. Sean Marshall, an Observatory Scientist at AO, has been leading a biweekly tutorial session for fellow scientists, training them to use the sophisticated computer program called SHAPE to build computational models of asteroids. + Read More

Asteroids, though often simply considered “rocks in space,” are actually composed of an array of different materials. It is important to know what asteroids are made of in order to determine the structure and formation of asteroids, and to assess any risk that an individual asteroid would pose if on a collision course with Earth. + Read More

On September 2nd, Dr. Michael Nolan presented a Solar System Ambassadors and Museum Alliance Professional Development Training Webinar titled “Twenty Years of Bennu: From Arecibo to Orbit (and Home Again).” The webinar highlighted the importance of the Arecibo Observatory for characterizing the near-Earth asteroid (101955) Bennu, the target of NASA’s OSIRIS-REx mission. The spacecraft, currently in orbit around Bennu, is slated to pick up a sample of the asteroid next month and send the piece back to Earth by September 2023. + Read More