Can we go out now and see Mars retrograde motion? No, you have to wait, but let's look at ephemeris data simulation

 Greetings from Palmia Observatory

During a recent PBS show "Ancient Skies" the Ptolemaic view of the universe described the use of epicycles to correct for the retrograde motion of Mars.  Can we go outside now and observe the motion?

Attended APS Global Physics Summit; Attended some of the PCGM; Trying to remember the first part of Gauge Theory; Can we measure the acceleration of Andromeda in the lab?

 Greetings from Palmia Observatory,

Well, it's been a while since we last made a blog post.  I guess I'm just losing energy and have a tougher time deciding to blog about any ongoing activity. I've made 559 posts over the past 10 years and this Physicist Wannabe is just getting tired.

Halloween Visitor; Halloween Prank Video

 Greetings from Palmia Observatory

Well, we took some time off to meetup with a Halloween visitor, who landed on one of our patios.

Some summary comments from SSI 2024

 Greetings from Palmia Observatory

This post has some summary slides from online screenshots for the Standford Summer Institute 2024.  This draft version will be updated later, but for now is just used for discussion at OCA Astrophysics SIG.

Rocket plume for SpaceX Starlinks Launch from Vandenberg AFB as observed from the Observatory

 Greetings from Palmia Observatory,

Well, this week the clouds sort of disappeared and we had a chance to look for rocket plume in the sky.