Welcome to Astronotes
Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. We hope you will come here to learn what is hot and exciting, profound or even weird from worlds beyond ours . So that's the introduction out of the way, now on with the Universe!-
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Sun Archive
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Clipperships of the Cosmos: Solar Sails Move from Theory to Fact
Posted on March 14, 2011 | 1 CommentOne day vast solar sails pushed along by rays of sunlight may carry payloads between the planets. Tracy McConnell explains how this romantic vision is slowly becoming a fact. The […] -
Following a rainbow back to the Big Bang
Posted on September 27, 2010 | No CommentsHere’s how rainbows are made. Some 13.7 billion years ago, a mere millionth of a second after the Big Bang, the first hydrogen and helium nuclei condensed out of a […] -
The end of the world
Posted on September 24, 2010 | 1 CommentOn 10 March 2010, I gave a talk covering the big picture to the IAA. I dealt with huge expanses of time from the distant past to the far future. […]