If you run an astronomy blog and would like to reach a wider audience, consider participating in the Carnival of Space.
The Carnival of Space features a weekly rotation of different websites/blog hosts, showcasing articles written on the topic of space. Being a part of the carnival is a good way to meet members of the space/science blogging community and help your site reach a wider audience.
If you’d like to be a host for the carnival, please send email to firstname.lastname@example.org
Universe Today has a full listing of previous carnival entries.
You can view the list at: http://www.universetoday.com/12019/carnival-of-space/
Listed below are Carnival of Space entries from this site.