an astronomer at George Mason University, explained in a paper on the project. "The Landolt mission will allow us to re-calibrate the brightnesses of millions of stars," Plavchan, the mission's ...

He is an adjunct professor of physics and astronomy at George Mason University and a NASA JPL Solar System Ambassador. He appears regularly on WTOP and WTTG-Fox 5.

NASA, in collaboration with George Mason University ... The artificial star, named after astronomer Arlo Landolt, will emit photons at a known rate, enabling precise calibration of telescopes.