UPRH-Observatory recommends the
followings links:
ASTROWEB
ASTRONOMY/ASTROPHYSICS ON THE WEB
SKY AND TELESCOPE MAGAZINE
SOLAR SYSTEM IMAGES FROM NASA
HUBBLE SPACE TELESCOPE HOME PAGE
NASA HOME PAGE
JET PROPULSION LABORATORY AT NASA
ARECIBO
RADIOTELESCOPE HOME PAGE
THE NINE PLANETS
PALOMAR OBSERVATORY CALIFORNIA
THE AMERICAN
ASTRONOMICAL SOCIETY
SOCIEDAD DE ASTRONOMIA DE PUERTO RICO
SPCE SCIENCE EDUCATION
RESOURCE DIRECTORY
ASTRONOMY
PUERTO RICO SPACE GRANT CONSORTIUM
FASES DE LA LUNA
