Recent News

What's happening at the AO?

FRB - Graphic Art by Ricardo Correa

Using the Arecibo Observatory in Puerto Rico and the Green Bank Telescope in West Virginia, a team from Universities Space Research Association (USRA) and other institutions today announced today at the American Astronomical Society’s winterAAS meeting that mysterious bursts of radio emission, called Fast Radio Bursts (FRB), may be coming from near a giant black hole. Read More

Noche de Observación - 01-27-2018

Ubicado entre las montañas del norte de Puerto Rico, se encuentra el radar más poderoso del mundo. Científicos de diferentes partes del Planeta, utilizan el reflector de 305 metros, para recoger ondas de radio de regiones de formación de estrellas, planetas, galaxias distantes y la atmósfera. Visita el Observatorio de Arecibo y vive una noche mágica. Será un evento para toda la familia, donde habrá conferencias, estaciones educativas y observaciones de objetos astronómicos a través de los telescopios de la Sociedad de Astronomía del Caribe. Leer Más

NASA-funded Arecibo Planetary Radar system was tested for the first time since hurricane Maria with a successful detection of near-Earth asteroid 2007 AG. This object at its closest approach to Earth will be some 0.059 AU and is estimated to be 300 meters in diameter

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Asteroid Phaethon - Figure 1

Columbia, MD and Puerto Rico — December 22, 2017. After several months of downtime since Hurricane Maria struck the island of Puerto Rico, the Arecibo Observatory Planetary Radar has returned to normal operation, providing the highest-resolution images to date of near-Earth asteroid 3200 Phaethon during its December 2017 close approach to Earth. The radar images, which are subtle at the available resolution, reveal the asteroid is spheroidal (roughly ball-shaped) and has a large concavity, or depression, at least several hundred meters in extent near its equator, and a conspicuous dark, circular feature near one of the poles. Arecibo’s radar images of Phaethon have resolutions as fine as about 250 feet (75 meters) per pixel. Read More