The phrase "visiting astronomers" refers to scientists who travel to different places to study and observe objects in space like stars, planets, and galaxies. Full definition
SUTHERLAND, South Africa — High on an arid plateau, an international group of visiting astronomers stands squinting into a simmering orange sunset. (scientificamerican.com)
Wang, who did this NASA - supported work while on four - month sabbatical as a Raymond and Beverly Sackler Distinguished Visiting astronomer at the University of Cambridge, U.K., points out, «Now we have physically resolved it and for the first time we've made the connection observationally between the massive stars moving around black holes and the X-ray emitting material. (sciencedaily.com)
About half the observing time at the VLT is allocated to projects with visiting astronomers, and about half to «service observing», where the TIO and ESO astronomer make observations on behalf of researchers who therefore do not need to leave their home institutions. (scienceinschool.org)