User talk:JeanLucMargot

Added Π to Dwarf Planet

I added Π to the table and associated blurb on the dwarf planet page. Procrastination is my forte. I'm not sure about the "refined" clause: it might be presumptuous. Tbayboy (talk) 16:44, 15 April 2017 (UTC)[reply]

Thank you. Stern and Levison (2002) considered single encounters that produce deflection angles in excess of 1 radian during a Hubble time. While that calculation may be interesting in terms of close encounter time scales, it is not at all equivalent to the IAU criterion of clearing an orbital zone. JeanLucMargot (talk) 19:33, 16 April 2017 (UTC)[reply]

Palisades Park, (Santa Monica) Thanks, Thoughts, Questions

Good Morning Jean Luc Margot: Thank you for the contributions as wikipedia editor to the Palisades Park site, which included adding trees. And thanks for thanking me for making an edit to the trees sections of the wiki page about the Italian Stone Pine, Pinus pinea. I learned the feature of 'thanking' which I make a habit of doing now as well for other editors. And I just thanked you for your edits of about 3 years ago on Palisades Park. I hope you visit the Palisades Park to see additional edits I have made on the trees and the public art sculptures. You will notice that a few additional wikipedia editors have now been making edits and improving the site. I am glad to have added the historic Native American totem pole to the Palisades Park site. I hope you like and would look forward to your thoughts and questions regarding the Palisades Park site. I was sad to have to make lower case the English names of trees, starting with cypress, which you had listed in capitalization as Monterey Cypress, and which I like and prefer and think is correct, but Wikipedia unfortunately follows MOS, requiring animal and plant English names, even though proper nouns, to be lower case, so I changed the cypress to Monterey cypress, but at least 'Monterey" remains capitalized due to being the name of a place (city and county of California). By the way, I like astronomy, especialy archaeoastronomy, especially the satellites and planets in our Solar System, but also the stories of our constellations, especially Aldebaran, as Abbot Kinney named one of the Venice Canals as Aldebaran, which was filled in and asphalt used to make a street that is called Market Street. I have begun an effort to do historic signage indicating that Market Street was the location of Aldebaran Canal with an eventual goal to convert the street back into Alderbaran Canal. Kinney named other Venice Canals linked to Astronomy, such as Venus Canal, which runs parallel to Aldebaran Canal. On and on, "across the universe" (thinking Beatles song). Be well. Hoping you are well, family and friends are well, given our era of the virus pandemic. Peace, 'Roy' (Robert Jan van de Hoek) "Earth-Planet, Universe" as John Muir would do in signing his letters at certain times.Robert Jan van de Hoek (talk) 13:30, 30 August 2020 (UTC)[reply]

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Category:UCLA Department of Earth Planetary and Space Sciences alumni has been nominated for merging

Category:UCLA Department of Earth Planetary and Space Sciences alumni has been nominated for merging. A discussion is taking place to decide whether it complies with the categorization guidelines. If you would like to participate in the discussion, you are invited to add your comments at the category's entry on the categories for discussion page. Thank you. Mason (talk) 04:15, 14 May 2024 (UTC)[reply]