The official name of this global celebration is:
International Year of Astronomy abreviated IYA2009
The official slogan is:
"The Universe, Yours to Discover"
We encourage widespread use of the IYA2009 logo by individuals and groups who organize or support IYA2009 activities. An IYA2009 "activity" is here understood to be an event, exhibit, performance, promotional product, print or electronic publication, or other creation intended to advance the aims of the IYA2009.
Please consult the Branding and Identity Guidelines at the offical International Year of Astronomy website.
1) Download the IYA2009 logo:
2) Download the Posters: