TUCSON, Arizona, Jan. 12 -- The Astrophysical Journal, a research journal from the American Astronomical Society that says it is devoted to recent developments, discoveries and theories in astronomy and astrophysics, published research articles on the following topics in its Jan. 10, 2022 edition: * Brightness Asymmetry of Black Hole Images as a Probe of Observer Inclination * Observational Constraints on the Maximum Energies of Accelerated Particles in Supernova Remnants: Low Maximum Energies  more

WASHINGTON, Jan. 11 -- The U.S. Department of Interior's National Park Service has issued a notice, published in the Federal Register on Jan. 11, 2022, entitled: "National Register of Historic Places; Notification of Pending Nominations and Related Actions". The notice was issued by Sherry A. Frear, Chief, National Register of Historic Places/National Historic Landmarks Program. DATES: Comments should be submitted electronically by January 26, 2022. FOR FURTHER INFORMATION CONTACT: Sherry A.  more

WASHINGTON, Jan. 11 -- Eric Shepp, deputy director and floodplain administrator at the Pima County Regional Flood Control District, Tucson, Arizona, has issued a public comment on the Federal Emergency Management Agency notice entitled "Request for Information on the National Flood Insurance Program's Floodplain Management Standards for Land Management and Use, and an Assessment of the Program's Impact on Threatened and Endangered Species and Their Habitats". The comment was written on Jan. 7, 2  more

TUCSON, Arizona, Jan. 12 (TNSJou) -- The University of Arizona issued the following news release: * * * Using observations of the nearby elliptical galaxy Centaurus A, a team of astronomers led by the University of Arizona found an unprecedented number of possible globular clusters - old, dense groups of thousands of stars that all formed at the same time. * * * A survey completed using a combination of ground and space-based telescopes yielded a treasure trove of previously unknown globular  more