Google Home [PDF] Joint Entrance Screening Test - 2007 Virtual observatory] IUCAA-inter-university center for astronomy and astrophysics Welcome to Indian Space Research Organisation Job Opportunities ISRO Photos - 1 NASA - Home NASA Earth Observatory Active Galaxies Newsletter -- Issue63 Department of Astronomy and Astrophysics, TIFR, Mumbai, India Center for Astrophysics and Space Astronomy (CASA) ard.edu/abstract_service.html - 21 Feb 2007 - Similar pages Columbia University Department of Astronomy Online Reference Dictionary, Encyclopedia & more Word: Look in: Dictionary & thesaurus Computing Dictionary Medical Dictionary Legal Dictionary Financial Dictionary Acronyms Idioms Wikipedia Encyclopedia Columbia Encyclopedia Periodicals Literature by: WordStarts withEnds withMentions Word of the Day sunspot Definition: Any of the relatively cool dark spots appearing periodically in groups on the surface of the sun that are associated with strong magnetic fields. Synonyms: macula Word of the Day provided by The Free Dictionary