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Dear ISEN-L and DOME-L astronomy experts,

I am writing a 20-minute interactive show for our 40-seat planetarium about the appearance of the sky 3.5 million years ago in Africa. I'm taking all these motions into account: daily, annual, precession, proper, and traveling around the Galactic Center with our local group. I realize that this is going to be more of a guess than an exact sky, but it's going to be a wonderful show.

Here are my questions:
- Do you have a planetarium show, or show activities, that talk about how the sky has changed over millions of years? (Dinosaur shows could possibly be useful, but not if they're just focused on the asteroid impact theory).
- Do you know of a program to calculate the change in star positions over 3-4 million years? Most of the planetarium programs I've looked at only go to about 30,000-100,000 years ago.
- Has anyone taught this in a classroom? I might be able to adapt something from that kind of lesson.
- Do you have a source for decently-authentic pre-Christian Ethiopian or Sub-Saharan African star and sky myths?

And, while I'm asking a series of questions - what do you think my title (Planetarium Specialist) means? We'd like to know if it conveys what management wants it to convey.

Thank you, you're all invited to see the show here in Seattle in October when it's finished!

Alice Enevoldsen
Planetarium Specialist
Pacific Science Center
206-443-2883
200 2nd Ave N
Seattle, WA 98109

Life's Boring without Discovery!

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