|  |  |  |  | 
| UNESCO Director-General Koïchiro Matsuura opening the International Year of Astronomy 2009 | IAU President Catherine Cesarsky opening the International Year of Astronomy 2009 | Signing of the Memorandum of Understanding between UNESCO and the IAU | Panel: Hercules Globular Cluster and the Pleiades | 
|  |  |  |  | 
| Panel: Antennae Galaxies, Cartwheel Galaxy and Fornax A | The IYA2009 Chair in Bangladesh | Logo: From Earth to the Universe | IYA2009 Logo - Black & White | 
|  |  |  |  | 
| Logo: The Portal to the Universe | GalileoMobile Logo | GalileoMobile Banner | IYA2009 World Map | 
|  |  |  |  | 
| Agreement signed for the IAU Office for Astronomy Development | Universe Awareness logo | The International Year of Astronomy 2009 in numbers. | One of the FETTU exhibits in Granada, Spain. | 
|  |  |  |  | 
| Venue of the IYA2009 Closing Ceremony, Aula Magna | Cassini Scientist for a day logo | Galilean Nights Logo | Galilean Nights Poster | 
|  |  |  |  | 
| Galilean Nights will see countless people looking up at the skies | The new IAU Officers | An evening with the Universe | IAU General Assembly | 
|  |  |  |  | 
| Teachers at a workshop | Galileo Teacher Training Program Logo | The Portal to the Universe | 100 Hours of Astronomy: Observing the sky | 
|  |  |  |  | 
| 24-hour webcast from the largest telescopes | UNESCO and IAU logos | Memorandum of Understanding between UNESCO and IAU | Panel: Solar Corona and Coronal Loop | 
|  |  |  |  | 
| Logo: Cosmic Diary | Logo: Developing Astronomy Globally | Logo: Dark Sky Awareness | Logo: From Earth to the Universe (black background) | 
|  |  |  |  | 
| Logo: Galileoscope | Logo: Galileo Teacher Training Program | Logo: Galileo Teacher Training Program | Logo: She is an Astronomer | 
|  |  |  |  | 
| Logo: The World at Night | Galileo's "Jovilabe" | Objective lens | Telescope | 
|  |  |  |  | 
| Exploded view of Galileo's original telescope | Telescope | Galilean compound microscope | Military sector | 
|  |  |  |  | 
| Antiporta of the Dialogue about the two Chief World Systems | Il saggiatore | Graphic decription of Venus phases | Frontispiece of Galileo's Sidereus Nuncius |