The Japan Aerospace Exploration Agency (JAXA) has requested that Science retract a 2006 paper about the makeup of asteroid Itokawa as observed from the spacecraft Hayabusa, the news section of Science reports.
Instead of calibrating their equipment on Earth, the scientists assumed they’d see both magnesium and silicon in the x-ray spectra, and used that assumption to assess the rest of the chemical composition of the asteroid.
The paper may be based on faulty assumptions, but the conclusions have been backed up by other published papers, according to the Science magazine report: Continue reading Authors ask Science to retract Hayabusa asteroid paper