The Simplest Explanation for Ultra-High-Energy Cosmic Rays
The highest-energy particles could be a sign of new, unexpected physics. But the simplest, most mundane explanation is particularly iron-ic.
JWST Captures Colliding Spiral Galaxies
Mid-infrared observations from NASA’s James Webb Space Telescope, shown in white, gray, and red, are combined here with X-ray data from NASA’s Chandra X-ray Observatory, highlighted in blue. Together, these different wavelengths reveal a detailed and layered view of a pair of colliding spiral galaxies, captured in an image released on Dec. 1, 2025.
You’re Invited to “Under One Sky”!
You’re invited to Battle Point Astronomical Association’s fundraiser event, “Under One Sky”! Drop by on Saturday Dec 20th, 2 – 5 pm at BARN (8890 Three Tree Lane NE, Bainbridge Island).
One Call for All
By now you should have received your Red Envelope from One Call For All. The Red Envelope campaign is THE annual fundraiser for Bainbridge Island nonprofits. If you didn’t receive a red envelope, you can support us here: https://donations.onecallforall.org/donate/244
Support Battle Point Observatory AND Save on Your Taxes!
Did you know you can skip paying capital gains tax AND take a deduction on your income tax by making a gift of appreciated stock or bonds directly to BPAA’s Vanguard account?
Planetarium Cove Lights Update
The Rudolph Planetarium has been enhanced with the addition of multicolor LED cove lights.
Facilities Update
BPO has received a grant that is enabling us to outfit our shop with a very complete set of tools for facility maintenance and telescope repairs and upgrades. A lot of telescopes with various problems have been donated to us and we will shortly have a space and the tools to make repairs.
Second Saturday Science Talk – Seasons on Earth and Other Planets
Presenter: Erin Leigh Howard, Rubin scientist & BPAA Education Director
Saturday, December 13th at 6 pm
The Winter BI Parks And Rec Catalog Is Here — And We’re In It!
We’re teaming up with Parks and Rec once again for out-of-this-world classes! Introduction to Astronomy 101 (ages 16+) is back with another fantastic lineup of classes to get you off to a great start in astronomy.