Ciência e Tecnologia [ http://www.cienctec.com.br/wordpress ]
Cienctec is a blog and site when you can found everything about astronomy, since the recent discoveries, until the remote past.

Skywatcher [ http://reflectingtelescopes.org/ ]
Reflecting Telescopes is dedicated to providing quality information on Reflective Telescopes and explanation on astronomie, Skywatcher and reflective telescopes with illustrations. It is uses a single or combination of curved mirrors that reflect light and form an image.