Planetary astronomer Cristina Thomas (IMAGE) Northern Arizona University Caption Planetary astronomer Cristina Thomas of Northern Arizona University has been named a 2022 Emerging Scholar for her trailblazing research and mentorship Credit Northern Arizona University Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.