Saturday, November 16, from 6:00 p.m. to 9:00 p.m., the Science and Visitor Center will celebrate an Observing Night in honor to Apollo 12, in collaboration with the Astronomical Society of the Caribbean and NASA.. Tickets for the general public are available in " Ofertal del Día" website.

Our next speaker Dr. Michael Denton will be visiting us on January 21, 2020 for our third Colloquium Series.

The plasmasphere is a region of cold (~1 eV) plasma that forms from the up flow of ionospheric material on closed magnetic field lines.  In this colloquium, we present a brief history of plasmaspheric research, summarize our current understanding of plasmapheric dynamics, and discuss ground-based and space-based observations of the plasmasphere.

Arecibo Observatory would like to cordially invite you all for the “Arecibo Observatory Open House'' during the 235th meeting of the American Astronomical Society at Honolulu, Hawaii. The Open House will be on January 7th from 1:30pm to 3:30pm.