"""Hello and welcome to the 51st edition of the Carnival of Space! My name is Ian O’Neill, UK solar physicist and writer for the Universe Today. I am honoured to be hosting the Carnival, so thank you Fraser for letting me loose on seven days-worth of excellent space related news from the growing blogosphere. Astroengine is my online home, delving into the inner workings of the cosmos, so it’s good to freshen the site up with news from a superb cross-section of space blogs.There is a huge breadth of topics this week with no particular trend, but as Earth Day was on April 22nd, I’ll kick off with the some of the stories a little closer to home (and then end up somewhere in the proximity of the Big Bang, 13.7 billion years ago). As said by the great Yuri Gagarin, “I see Earth! It is so beautiful!” I begin with our Blue Planet…"""