What are the social benefits that traveling into space has for modern society?

http://www.universetoday.com/37079/benefits-of-space-exploration/

Thank you very much! I read it all. Interesting and helpful.

Can I ask you 1 more question?

You're welcome.

Sure.

What equipment do astronomers use to collect data?

http://www.seasky.org/astronomy/astronomy-equipment.html

Thank you very much, Ms.Sue. :-)

You're very welcome, Princess.