The Eugene Astronomical Society is a group of amateur astronomers dedicated to observing the sky and learning about the Universe, and sharing that understanding and appreciation of astronomy with students and the general public.

We invite you to read the rest of our mission statement here, or feel free to take a look around.


Next event: June 21st meeting

Our next event will be our monthly meeting on June 21st. At this meeting, Jerry Oltion will talk about distance measurement, starting with how Eratosthenes measured the circumference of the Earth using the angle of shadows in two distant cities, and extending through parallax measurements to redshift measurements to the analysis of the cosmic microwave background that defines the visible edge of our Universe. If you've ever wondered how we know that Earth is 93,000,000 miles from the Sun or that our Sun is 27,000 light-years from the core of the Milky Way galaxy, this presentation is for you.

Meetings are held on the third Thursday of the month at 7:00 p.m. at the Science Center Planetarium. Come a little early to socialize and get a seat. We don't always keep someone at the door to let latecomers in, so don't be late!



Thank you to the Canadian Meteorlogical Center and cleardarksky.com for this forecast of our observing conditions:





Click here to see what Saturn looks like from the Cassini spacecraft



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