Then there's the question that arises with any new leap in telescope technology: What's out there that we haven't yet seen? (kavlifoundation.org)
When telescope technology improves, other factors will be considered as well, such as the planet's atmospheric composition and how active its parent star is. (scientificamerican.com)
Astronomers are stuck with such indirect methods of detection because current telescope technology struggles to image very distant and faint objects - especially when they orbit close to the glare of a star. (news.bbc.co.uk)