Read our COVID-19 research and news.
Evgenya Shkoknik is an astronomer at Lowell Observatory in Flagstaff, Arizona.
By Evgenya L. Shkolnik, Alexandra Surcel, et al.Mar. 16, 2012
© 2020 American Association for the Advancement of Science. All rights Reserved. AAAS is a partner of HINARI, AGORA, OARE, CHORUS, CLOCKSS, CrossRef and COUNTER.