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The number of abstracts submitted to the Lunar and Planetary Science Conference (#LPSC) this year is down by almost 50% when compared to normal years.

It's hard to say what is the main cause, but big factors are Europeans who don't want to travel to the US, reductions of US research budgets, censorship of abstracts, and just your average hatred of Texas.

(Image posted by Michael Aye on the @openplanetary Slack).

Number of abstracts submitted each year to the Lunar and Planetary Science Conference. (Image by Michael Aye.)

If you are unhappy about the decision by LPI/USRA to censor #LPSC abstracts, please consider signing this open letter:

https://signatories.planetary-research.org/dont-censor-LPSC-letter

Should #LPI and #USRA restore all censored abstracts? Should they commit to preserving scientific freedom of speech at #LPSC? And should they commit to not censoring #LPSC2026 submissions?

If the answer is yes, then sign this petition!

https://forms.gle/G1yAxZqmDujbVDHR7

Why I will be boycotting meetings sponsored by the Lunar and Planetary Institute.

An open letter to the LPI executive board

#LPI #USRA #LPSC #BoycottLPSC #BoycottLPI #PlanetaryScience

An open letter to the Lunar and Planetary Institute executive office,

I am writing to ask that LPI provide a public statement concerning their ongoing attempt to both censor and rewrite history by removing previously published community meeting abstracts from their archives.

LPI is a trusted organization that plays an integral role in the planetary science community. They organize not only the annual Lunar and Planetary Science Conference, but also a multitude of smaller community meetings and workshops. It thus came as quite a shock to learn that LPI has decided to remove any trace of abstracts that contain certain non-offensive keywords or that are on topics that could be related to the federal executive order attacks on diversity, equity, and inclusion. Considering the 2025 LPSC alone, almost 100 abstracts have been removed from the program, being replaced with the text "item removed". Entire sessions have been deleted from the program, and the PDFs for the removed items are no longer accessible. In total, over 1000 LPI hosted abstracts are no longer accessible from the NASA ADS archive.

In response to the Trump executive orders, the Lunar and Planetary Institute (#LPI) is removing abstracts from previously held meetings that used to be archived on their website.

Here is an example of one that was removed from the 2025 Lunar and Planetary Science Conference (#LPSC).

Example of an abstract that was removed from the 2025 Lunar and Planetary Science Conference.

A french researcher going to the #LPSC conference outside of Houston wasn't allowed to enter the US. After a "random" control at the border, the police searched their phone and computer and found compromising statements about Trump.

https://www.lemonde.fr/international/article/2025/03/19/etats-unis-un-chercheur-francais-refoule-pour-avoir-exprime-une-opinion-personnelle-sur-la-politique-menee-par-l-administration-trump_6583618_3210.html

From the #LPSC 'NASA Night' https://www.youtube.com/watch?v=Ns4sVQ81DiI a list of the next #CLPS missions: NASA will have more Stereo Cameras for Lunar Plume-Surface Studies (SCALPSS) on #BlueOrigin's HLS test lander. They also reported superb results from #BlueGhost with 6 of the NASA experiments already completed and the remainder being done once the hot noon is over. Not much came out of #Athena, obviously, and they're still trying to make contact with the Lunar Trailblazer - no indication of the hope level ...

SciPost Physics @physics

New #openaccess publication #SciPost #physics Core

Probing a leptophobic top-colour model with cross section measurements and precise signal and background predictions: A case study

Mohammad Mahdi Altakach, Jonathan Mark Butterworth, Tomáš Ježo, Michael Klasen, Ingo Schienbein
SciPost Phys. Core 6, 014 (2023)
https://scipost.org/SciPostPhysCore.6.1.014

#UW #WWU #LPSC #UCL
#DFG #EC #IN2P3 #NCN #STFC

The science team for NASA's New Horizons mission to the Kuiper Belt shares the latest findings on #Pluto's geology, the origins of a snowman-shaped object called Arrokoth, and coming attractions of cosmic proportions: https://cosmiclog.com/2023/03/14/pluto-team-updates-science-from-the-solar-systems-edge/ #Space #LPSC

illustration: Arrokoth and the New Horizons probe in space

Pluto team updates science from the solar system’s edge
Nearly eight years after its historic Pluto flyby, NASA’s New Horizons probe is getting ready for another round of observations made from the icy edge of the solar system — and this time, its field of view will range from Uranus and Neptune to the cosmic
https://cosmiclog.com/2023/03/14/pluto-team-updates-science-from-the-solar-systems-edge/
#UniverseToday #Arrokoth #DwarfPlanets #KuiperBelt #LPSC #NASA #NewHorizons #Pluto #Space

@simonbp This year #LPSC is calling the #microbloggers "Ambassadors". Of the 18 Ambassadors, here are the number of social media accounts:

Twitter: 15
Instagram: 13
TikTok: 3
LinkedIn: 1
YouTube: 1
Facebook: 1
Mastodon: 0

List of social media "Ambassadors" for the 2023 Lunar and Planetary Science Conference (formerly known as microbloggers).

Its official. #PlanetaryScientists did not migrate to mastodon. The first day of the Lunar and Planetary Science Conference is almost over and there are only about 5 posts on #mastodon, but hundreds on the site owned, run and censored by a sociopathic LGBTQ+phobe (among other things). Apparently, its business as usual for early career scientists that use social modia. 😞 #LPSC #LPSC2023

The Lunar and Planetary Science Conference (#LPSC) has been held in #Texas since 1970 when the first results from the #Apollo11 mission were presented. This year will be the last in Texas, and the organizers are searching for a new location.

This abstract "Ethics in choosing a meeting location" describes some of the issues that should be considered. "Is Texas safe for all members of our community? Unfortunately, the answer in 2023 is NO, they are not."

https://www.hou.usra.edu/meetings/lpsc2023/pdf/2167.pdf

#LPSC2023

Abstract submitted to the 2023 Lunar and Planetary Science conference, "Ethics in choosing a meeting location" by J. A. Rathburn et al.

No Haiku's but two #LPSC abstracts submitted!

#1651 is on some work I'm doing to understand features in the volcanic floor units in Jezero.

#1668 is on some exciting open GIS standards that will help with cloud-computing-native PSDI!

#lpsc2023

Oh the details on this space shirt. I am swooning 😍 Metallic buttons. 🤩🌌👌🔥 Cannot get over this space shirt AT ALL! PSYCHED to wear this at #LPSC !!

Dr. Das wearing a fluorescent greenish space shirt with metallic buttons!

I think I thrifted the coolest space shirt!🤩🌌 This is definitely going into my #LPSC lookbook 😂
LPSC is important for me for the FIRE #spacescience & the FIRE #space fits🔥👌🌌🚀
I know I know... it's still early for LPSC...but never too early to get PUMPED about LPSC fits!

Dr. Debarati Das wearing a thrifted space shirt with a fluorescent greenish galaxy on it!

RT @IN2P3_CNRS: L’axion, #particule candidate pour la #matièrenoire, échappe encore une fois aux observations... #CSNSM #LPSC @LPC_CAEN c/… source: https://twitter.com/CNRS/status/949200550729601024

RT @IN2P3_CNRS: Produire de la #matièrenoire c'est possible ? La réponse avec Marie-Hélène Genest du #LPSC https://www.facebook.com/cnrs.fr/videos/1760810097275931/… source: https://twitter.com/CNRS/status/934422467472486400

RT @CnrsAlpes: Retrouvez 5 chercheurs @cnrsalpes de 3 labos grenoblois (@GipsaLab @InstitutNeel #LPSC) au #ForumCNRS 25-26nov Pari… source: https://twitter.com/CNRS/status/933035797032390656

RT @IN2P3_CNRS: #GravityandLight Félicitations aux chercheur.e.s & enseignant.e.s-chercheur.e.s @APC_Laboratory #LPNHE #LAPP #LPSC… source: https://twitter.com/CNRS/status/926370112625631235

#LPSC

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