Carnival of space week 32

Carnival of space 32 is up at robot guy

My entry was on my favorite proposed launch systems

Bad Astronomy talks about using Mass as a verb

Colony worlds talks about energy in space from space solar and helium 3

Space files mentions that the Planetary Society has raised $250,000 for a second space sail

Centauri Dreams talks about young stars and old planets

Note: My wife and I just had our second child. So posts are light this week.