astronomy Newsletter


January 14 2014 Astronomy Newsletter

Hi everybody

Here's the latest article from the Astronomy site at

Galaxy or Star Cluster?
Galaxies and star clusters are collections of stars held together by gravity. What's the difference between them? For one thing, galaxies are really big. But how big is big? Even bigger than a million stars? Yes, that's small in astronomy.

I've also just updated an article pointing out the astronomy games, quizzes and jigsaws on BellaOnline with links to all of them.

*Johann Bode*

Johann Bode born January 19, 1747
Bode's name lives on in what's known as “Bode's Law.” It's not a law, but a formula that gives the distance from the Sun to the planets – until it breaks down at Neptune. (Neptune was discovered the year after Bode's death.) However more than this, Bode was one of the founders of the Berlin Astronomical Yearbook. And his star atlas “Uranographia” was the greatest of the Golden Age of celestial atlases. You can read about Bode here:

*Mission to Pluto and beyond*

NASA's New Horizons mission to Pluto and the Kuiper Belt was launched on Bode's birthday in 2005, though that probably wasn't why the date was chosen. What's the Kuiper Belt? Find out here:

To participate in online discussions, this site has a community forum all about Astronomy located here -

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I hope to hear from you sometime soon, either in the forum or in response to this email message. I welcome your feedback!

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I wish you clear skies.

Mona Evans, Astronomy Editor

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