Observatory Night: Would We Know Life if We Saw It? (Center for Astrophysics | Harvard & Smithsonian) – VIRTUAL

Over the last few decades, scientists have found thousands of planets beyond our own. Some of those planets might be habitable, and perhaps even inhabited already; but how can we tell? Clara Sousa-Silva, a fellow at the Center for Astrophysics | Harvard-Smithsonian, looks for signs of life on other planets […]

What Is A Planet? A Look At Mars, Pluto and Exoplanets (Fairfax County Public Library) – VIRTUAL

Join us on Zoom as Dr. Harold A. Geller presents one of the major questions of today: “What is the definition of a planet?”. In 2006 the International Astronomical Union (IAU) officially changed the definition. Pluto was no longer to be called a planet, but a dwarf planet. Dr. Geller will share […]

Seeking The Invisible: Detecting Supermassive Black Holes in Space (Smithsonian Associates) – VIRTUAL

PROGRAM DESCRIPTION We know that monstrous black holes, one million to several billion times the mass of the sun, lurk in the centers of almost every large galaxy in the universe. They can have a profound effect on those galaxies and are capable of giving rise to the loudest gravitation […]