Welcome to Astronotes
Hello, IòÀÙm Colin, welcoming you to Astronotes, the PlanetariumòÀÙs 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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Stars Archive
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Did a Wandering Star Light Up Ancient Skies?
Posted on February 18, 2015 | 1 CommentSeventy thousand years ago our world, unmarked by agriculture and industry, was a very different planet. Back then Earth was shared by at least four separate types of human being. […] -
See a Nova in Delphinus Tonight!
Posted on August 19, 2013 | 2 CommentsAstronomers world-wide are thrilled by news of a nova, just visible to the unaided eye in the constellation Delphinus (the Dolphin), just beside the familiar Summer Triangle. Why are they […] -
The Star Older Than the Universe?
Posted on August 13, 2013 | 22 CommentsOur Solar System is old. Our best estimates from radiometric dating of meteorites suggest the Sun and its planets (including Earth) were forming some 4.6 billion years ago. The Universe […] -
How Far Away is the Farthest Star?
Posted on June 17, 2013 | 52 CommentsLooking up in to the night sky itòÀÙs not difficult to see why the ancient Greeks believed that all the stars in the night sky were fixed on a celestial […] -
The Truth About Zeta Reticuli
Posted on May 9, 2013 | 111 CommentsZeta Reticuli, a dim binary system of Sun-like stars only 39.5 light years away in the little constellation of Reticulum is strangely well-known. Why is it so famous? This system […] -
M55: A Glorious Globular!
Posted on May 9, 2012 | 9 CommentsˆàA globular cluster is made of hundreds of thousands or even millions of stars packed together in a pretty compact ball. The stars in globular clusters are old and thereòÀÙs […] -
The Other Sirius Mystery: Red or White
Posted on April 27, 2012 | 15 CommentsToday Sirius, the brightest star in the night sky is an unmistakable blue-white in colour although it does twinkle a lot and can appear to change colour. However no one […] -
The Largest Stars in the Universe
Posted on March 14, 2012 | 23 CommentsHow big is the largest known star? Compared to planets, stars will always be the overall group winners in terms of superior size. When you look at the night sky […] -
6 Theories about the Star of Bethlehem
Posted on November 10, 2011 | 19 CommentsWhat was the Star of Bethlehem? Recorded only in the Gospel of Matthew, this mysterious celestial object is said to have heralded the Nativity. For millennia stargazers have wondered what […] -
What are the stars?
Posted on October 14, 2011 | 2 CommentsA clear night sky is a thing of beauty and wonder. Thousands of scattered stars twinkle in the darkness. What are the stars? How do they live and die? Could […]