International Year of Astronomy – Special Covers of India -2009
2009 was celebrated as International Year of Astronomy and it coincided with 400th Anniversary of the first recorded astronomical observations with a telescope by Galileo Galilei and the publication of Johannes Kepler’s Astronomia nova in the 17th Century.
A Special Cover was released on 28 Feb 2009 to mark National Science day. The cancellation is on a telescope and the cover has an illustration on World famous observatory for astronomical calculations at Jaipur. It aslo marks the International Year of Astronomy.