Ed Rivera-ValentΓ­n's Avatar

Ed Rivera-ValentΓ­n

@planettreky

Planetary Scientist & Trekker of Planets. #LatinxInSTEM πŸ‡΅πŸ‡· #LGBTQinSTEM πŸ³οΈβ€πŸŒˆ. My posts, my views.

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Latest posts by Ed Rivera-ValentΓ­n @planettreky

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Letter from the NASA Planetary Science Director: the Future of the Planetary Science Analysis and Assessment Groups (AGs) - NASA Science A Letter from the NASA Planetary Science Director, Dr. Louise M. Prockter: the Future of the Planetary Science Analysis and Assessment Groups (AGs)

Looks like the nasa AGs are no more science.nasa.gov/planetary-sc...

16.01.2026 21:59 πŸ‘ 13 πŸ” 9 πŸ’¬ 4 πŸ“Œ 4
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Weathering budget cuts: Lessons from NASA The current uncertainty and cuts to science funding affect universities, research facilities, and laboratories across the United States, but this situation is not unprecedented. Under pressure to fund...

Here is an interesting perspective on how planetary exploration has historically responded, good and bad, to budget challenges. Written by @cyberlyra.bsky.social whose research is partially about how NASA teams work successfully on missions.

#planetsci πŸ§ͺ

www.science.org/doi/10.1126/...

11.01.2026 23:25 πŸ‘ 26 πŸ” 7 πŸ’¬ 1 πŸ“Œ 0
Scientific Editor for The Planetary Science Journal | American Astronomical Society Established in 2020, the American Astronomical Society’s (AAS) Planetary Science Journal (PSJ) has grown to one of the most impactful journals focused on planetary science in the world.Β To continue th...

Open position: Scientific Editor for The Planetary Science Journal

Note that this is a paid position via a stipend.

As a current PSJ editor, I’d be happy to answer questions.

aas.org/jobregister/...

21.11.2025 22:10 πŸ‘ 5 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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#nasa is shuttering the Goddard #space #flight center in a move that may not be entirely legal, according to critics. For months, our #staff #writer @joshdinner.bsky.social interviewed NASA #employees, read #senate reports and more to give you the deepest dive yet.

www.space.com/space-explor...

31.10.2025 12:37 πŸ‘ 78 πŸ” 62 πŸ’¬ 2 πŸ“Œ 12

NASA has a proposal to re-commission the OSIRIS-REx spacecraft for the exact purpose. It's healthy, & up for a 2029 missionβ€”total cost $200 Million, $50 Million already spent. President Trump wants to kill it. Here's more on the OSIRIS-APEX mission - osirisrex.arizona.edu/osiris-apex

10.09.2025 17:26 πŸ‘ 59 πŸ” 33 πŸ’¬ 2 πŸ“Œ 2
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NASA released some shape models of four of Saturn's moons. These have every lump and bump; they're not simple spheres.

Here's a test render I did in #Blender showing #Mimas in false color - red is high, blue low. Clearly shows how non-spherical it is!

#sciart #spaceart

1/2

03.09.2025 13:20 πŸ‘ 133 πŸ” 34 πŸ’¬ 5 πŸ“Œ 2
Details of New Perseverance Mars Rover Finding
Details of New Perseverance Mars Rover Finding YouTube video by NASA Video

For those who wish to listen to the 10 September #NASA Mars 2020 Rover Perseverance announcement, here's the #YouTube Link www.youtube.com/watch?v=-StZ...

09.09.2025 00:25 πŸ‘ 20 πŸ” 6 πŸ’¬ 0 πŸ“Œ 1
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Trump administration illegally froze billions in Harvard funds, judge rules The ruling is a legal victory for Harvard but the White House says it will appeal the decision.

A federal judge in Boston said she found it "difficult to conclude anything other than that [the Trump administration] used antisemitism as a smokescreen for a targeted, ideologically-motivated assault on this country's premier universities, and did so in a way that runs afoul of [federal law]."

04.09.2025 00:03 πŸ‘ 2334 πŸ” 604 πŸ’¬ 41 πŸ“Œ 44

Just reupping this.

Idk if we are way behind on positions compared to normal because of *waves hands at everything* or bc I’m not on twitter anymore. I’ve shared it all the same places I normally do.

03.09.2025 18:58 πŸ‘ 27 πŸ” 16 πŸ’¬ 1 πŸ“Œ 0

In order to get a weather forecasting job with the National Weather Service, applicants now have to name at least two Trump Executive Orders and state how they plan to help support them. Which is ridiculous and shame on every MIC that allows that nonsense in their WFO!

01.09.2025 22:16 πŸ‘ 254 πŸ” 58 πŸ’¬ 18 πŸ“Œ 5
Planetary Defenders (NASA+ Original Documentary)
Planetary Defenders (NASA+ Original Documentary) YouTube video by NASA

NASA’s PDCO Planetary Defenders
#PlanetaryScience
youtu.be/jOb2DQWvDvc?...

17.08.2025 01:04 πŸ‘ 12 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Improving Oversight of Federal Grantmaking By the authority vested in me as President by the Constitution and the laws of the United States of America, and to improve the process of Federal

This is a shocking executive order that undermines the very idea of open inquiry. It turns federal grants into dispensations, subject to arbitrary and capricious withdrawal should the recipient say or believe the wrong things.

www.whitehouse.gov/presidential...

07.08.2025 22:59 πŸ‘ 77 πŸ” 38 πŸ’¬ 2 πŸ“Œ 1

I wake up everyday hoping this nightmare is over and every day it finds a new way to be cruel and haunting. Sigh.

07.08.2025 23:36 πŸ‘ 4 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Improving Oversight of Federal Grantmaking By the authority vested in me as President by the Constitution and the laws of the United States of America, and to improve the process of Federal

New executive order

IMPROVING OVERSIGHT OF FEDERAL GRANTMAKING

www.whitehouse.gov/presidential...

07.08.2025 22:27 πŸ‘ 2 πŸ” 1 πŸ’¬ 2 πŸ“Œ 1
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Vermont school superintendent detained after trip to Nicaragua Wilmer Chavarria, the superintendent of the Winooski School District, was held by U.S. Customs and Border Protection while returning to the country after visiting family.

β€œI was threatened with being referred to the FBI... They also threatened to stain my record so I would never get a job again. They also threatened with an extended detention if I didn’t give them the passwords to the student information or to my district files."

25.07.2025 11:34 πŸ‘ 1699 πŸ” 950 πŸ’¬ 41 πŸ“Œ 135

NASA is being radically reorganized, starting almost immediately.
The Town Hall is here, if you're interested:

video.ibm.com/channel/KKpg...

25.06.2025 17:29 πŸ‘ 60 πŸ” 24 πŸ’¬ 5 πŸ“Œ 7
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NASA's disastrous 2026 budget proposal in seven charts The White House has put forward a radical, wasteful proposal for NASA. We have the data to prove it.

Need data to explain the disastrous proposed cuts to NASA?
Here are seven charts that lay out why The White House’s FY2026 budget proposal poses a historic threat to NASA. www.planetary.org/articles/nas...

10.06.2025 19:46 πŸ‘ 193 πŸ” 69 πŸ’¬ 5 πŸ“Œ 7
A sketch of a colorful Mars rover holding an inclusive pride flag in its robot arm. It’s very stylized, colorful, and got a little smile. It’s on a starry background.

A sketch of a colorful Mars rover holding an inclusive pride flag in its robot arm. It’s very stylized, colorful, and got a little smile. It’s on a starry background.

A sketch of our Solar System, drom Mercury to Pluto. The planets are colored with the colors of an inclusive pride flag. It’s on a starry background. Above the planets is the text β€œEnough Space for Everyone”

A sketch of our Solar System, drom Mercury to Pluto. The planets are colored with the colors of an inclusive pride flag. It’s on a starry background. Above the planets is the text β€œEnough Space for Everyone”

Happy pride month! I worked with some LA-based scientists and engineers, and we have a kickstarter for space pride t-shirts! Consider backing!
πŸ›°οΈπŸ³οΈβ€βš§οΈπŸš€πŸ³οΈβ€πŸŒˆπŸͺ

www.kickstarter.com/projects/spa...

06.06.2025 19:47 πŸ‘ 173 πŸ” 56 πŸ’¬ 9 πŸ“Œ 3
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This is the #RIF that NASA can expect to endure - a reduction from 17,391 to 11,853 - so ... who will the unlucky 5,538 people be? Meanwhile let's gut the #NASA budget while simultaneously starting a crash program to beat China to #Mars - #EmbraceTheChallenge y'all

30.05.2025 23:15 πŸ‘ 33 πŸ” 8 πŸ’¬ 2 πŸ“Œ 2
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What is the fastest way to make China Great In Space? Simple: just do this one thing to the #NASA budget. #Slash

30.05.2025 21:34 πŸ‘ 41 πŸ” 16 πŸ’¬ 1 πŸ“Œ 0
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Dozens of active and planned NASA spacecraft killed in Trump budget request Proposal would end nearly all new major science missions

Breaking from @science.org: The Trump administration wants to kill off a host of active and healthy NASA climate and planetary spacecraft. It would be a "leaner, more focused" agency, they say -- and one far less capable of studying the Earth and exploring space.

30.05.2025 22:58 πŸ‘ 365 πŸ” 218 πŸ’¬ 11 πŸ“Œ 17

GBO, which was trying to build the nextgen radar after the collapse of Arecibo, is on the decommissioning block… again. Sigh.

30.05.2025 23:27 πŸ‘ 3 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0

ESA folks finding zeroes for ExoMars, EnVision, Euclid, LISA, Ariel contributions, and so many more in those documents... the damage to international partnerships and trust would be incalculable if this budget proposal comes to pass...

30.05.2025 21:20 πŸ‘ 42 πŸ” 14 πŸ’¬ 2 πŸ“Œ 1

"Gemini telescopes will operate at approximately 50% capacity and access to the telescopes at Kitt Peak and Cerro Tololo will be phased out." p 104 of the pdf.

30.05.2025 21:06 πŸ‘ 14 πŸ” 2 πŸ’¬ 3 πŸ“Œ 2
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BREAKING: The president's budget request just hit Congress, which could usher in a dark age for NASA space science.
Congress has the final say, but you can help shape the outcome by adding your name to our global petition.
This is just the start of our fight.
Sign the petition: planet.ly/petition

30.05.2025 21:57 πŸ‘ 2491 πŸ” 1118 πŸ’¬ 102 πŸ“Œ 66

Wow. This proposes cutting over 1300 civil servants from NASA Goddard, a 46% cut in staff.

30.05.2025 23:02 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Witness the *proposed* devastation of NASA science. If this concerns you, consider exploring the tools provided to make your opinions known: www.planetary.org/save-nasa-sc...

30.05.2025 20:34 πŸ‘ 345 πŸ” 203 πŸ’¬ 5 πŸ“Œ 9
The NASA planetary science fleet chart. It shows two spirals with missions to Moon/Mars and the Solar System. I’ve crossed off all of the missions that will be cancelled in the president’s budget… and there are a lot of them.

The NASA planetary science fleet chart. It shows two spirals with missions to Moon/Mars and the Solar System. I’ve crossed off all of the missions that will be cancelled in the president’s budget… and there are a lot of them.

The NASA planetary science fleet chart if the president’s budget is enacted.

30.05.2025 21:57 πŸ‘ 792 πŸ” 436 πŸ’¬ 31 πŸ“Œ 54

🀯

This table is devastating but so important. Government funded science supports everyone from kids, to college students, to researchers.

30.05.2025 21:13 πŸ‘ 17 πŸ” 9 πŸ’¬ 1 πŸ“Œ 0

The Presidents Budget Request for NASA is out. It’s a bloodbath

Canceled are DAVINCI, VERITAS, Juno, OSIRIS-APEX, US participation in ExoMars and EnVision…

Huge cut to R&A. No funding to begin development of the Uranus Orbiter.

If you’ve ever cared about NASA, time to contact congress.

30.05.2025 20:30 πŸ‘ 5597 πŸ” 2541 πŸ’¬ 137 πŸ“Œ 121