Lucas Paganini, planetary scientist, was quoted in an AstroBiology Magazine story on the comet Lovejoy and the source of Earth’s water.
...“We did ground-based observations to measure water and heavy water (HDO) and compared to measurements before the comet reached perihelion using space and ground-based telescopes,” said lead author Lucas Paganini, a planetary scientist at Catholic University of America and the NASA Goddard Space Flight Center. He also is a research assistant at the Goddard Center for Astrobiology. ...
Continue reading in the AstroBiology Magazine.