Carnival of Space Week 61

Carnival of Space week 61 is up at Mangsbatpage

This site contributed the article on hypersonic technology of the Blackswift and other hypersonic programs

Centauri Dreams look at the NanoSail-D: Solar Sail Deployment Plan

Colony worlds look at solar steam to power martian cities

21st century waves looks at 10 reasons why China is good for space

Check out the Carnival for a lot more.