astronomy Newsletter


June 30 2012 Astronomy Newsletter

Hi everybody!

Here's the latest article from the Astronomy site at

Eris and Pluto - They're not Twins
For nearly ninety years Pluto was our ninth planet. Then in 2006, much to the annoyance of some, it was no longer a planet, but a dwarf planet. What happened? Eris happened. Some call Eris and Pluto twin planets, but they aren't twins. Eris has a secret.

*Pluto cartoon*

This cartoon is about Pluto, but I think the orbit looks more like the orbit of Eris. What do you think?

*From the Sun to Voyager*

Here's an infographic that takes you from the Sun to the Earth and to where Voyager 1 was in 2010. Teachers and home educators might print this in sections and then reassemble the strip. Scale and distance are useful ideas and this would be a good talking point. And for everyone else . . . it's just interesting.

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

Please visit for even more great content about Astronomy.

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

Do pass this message along to family and friends who might also be interested. Remember it's free and without obligation.

I wish you clear skies.

Mona Evans,
Astronomy Editor

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