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Posts by David Mimoun

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NASA Begins Implementation for ESA’s Rosalind Franklin Mission to Mars - NASA Science NASA has given approval for the agency’s Rosalind Franklin Support and Augmentation (ROSA) project to begin implementation, underscoring the agency’s

NASA is moving forward with support for ESA’s Rosalind Franklin rover mission to Mars! The ROSA project will provide the launch (SpaceX Falcon Heavy), propulsion for the lander, radioisotope heaters, specialized electronics & parts of the life-detecting instrument
science.nasa.gov/blogs/mars-r...

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Beautiful Pasadena 🥰 for SSA

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The FY 2027 NASA budget request hides its science cuts by omitting mission names instead of explicitly zeroing them out.

We did the work and found 54 missions cancelled in this proposal.

This is another extinction-level event for NASA science.

Full list: planetary.org/save-nasa-science

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Thanks Paul. Hope we can make it to Venus one day !

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Listening to a Planet We Cannot Touch The Quest for Venus Seismology from Balloon Altitude

Listening to a planet we cannot touch
The quest for Venus seismology open.substack.com/pub/dmimoun/...

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Nice seminar on planetary defense by Prof. Richard Binzel from @mit @isae-supaero.bsky.social

3 weeks ago 2 0 0 0

Yes I wrote that in the article

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The super-Earth trap: why "Rocky" civilization may have never reached the stars How a blockbuster movie, the tyranny of the rocket equation, and a little-known 2018 paper illuminate one of the most sobering ideas in astrobiology.

A few thoughts on "Project Hail Mary" and the super-Earth trap: why "Rocky" civilization may have never reached the stars open.substack.com/pub/dmimoun/...

3 weeks ago 12 4 3 1
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Some good news at last

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C’est bien triste . Sous sa direction l’ESA a fait des trucs incroyables

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Roger-Maurice Bonnet, l'ancien directeur du programme scientifique de l'ESA entre 1983 et 2001, est décédé le 19 janvier à l'âge de 88 ans. Astrophysicien, il a participé aux missions Giotto et a approuvé les missions SOHO, XXM-Newton, Rosetta, ...
www.esa.int/About_Us...
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This really matches my impression.

4 months ago 2 1 0 0
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Finally at #AGU25 ! Presentation of Philippe Lognonné of its network of telescopes to detect Moon impacts

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Radiation is high, the drilling is deep, and the dust is relentless. But #planetaryscience is worth the trip 🔴✨ #Mars2040 ?

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Living off the Land (ISRU). Objective #6: We can't bring everything with us. We have to characterize the ice and regolith to extract water and make propellant. It’s high-stakes chemistry in a harsh environment - And here come the seismometers experiments 😉

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Objectives #7 & #10 Can Earth life reproduce there? We need to test if plants (and maybe model animals) can thrive and adapt over generations in 38% gravity. It’s about building a sustainable ecosystem, not just a campsite. Space farming ?

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The Human Lab. Objective #4 & #9: **We** are the experiment. How does the "Integrated Martian Environment" (radiation + low gravity + isolation + toxic dust) affect our bodies and minds? We need to survive the trip and the stay without breaking down physiologically or psychologically

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Dust, dust, everywhere. Objective #5 is crucial: What triggers those massive, planet-encircling dust storms? They mess with power, lungs, and hardware. We need to understand the physics of the atmosphere to predict when the sky will turn dark #MarsWeather

4 months ago 2 1 1 0
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Mars is a time capsule! Objective #3 focuses on the Geologic Record. As Perseverance did, we need to map the rocks to understand the transition from a wet, potentially habitable world to the dry desert of today. Impacts, volcanoes, ancient lakes the rocks hold the climate secrets of the solar system

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The Challenge: To find extant (living) life, we might have to drill DEEP. Like, kilometers deep below the cryosphere where liquid water might still exist. Getting pristine samples from 2-5km down while wearing a spacesuit? #DeepDrilling

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Priority #1: The big question. Are We Alone? The top objective is determining if Mars hosts (or hosted) life. We are looking for habitability, prebiotic chemistry, and actual biosignatures. The challenge: Distinguishing Mars life from Earth contaminants.

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The National Academies just dropped the Science Strategy for the first human campaigns on the Red Planet. It’s not just a flag-planting trip; it’s a deep dive into the unknown. The science is bold, and the challenges? Absolutely immense. Let’s break it down! 🧵👇 #MarsScience #PlanetaryScience

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#planetaryscience ⬇️⬇️⬇️

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You can also say that sun never sets on the team ;-)

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As reminded by Mark, this experiment involves also our estimated colleagues of JAXA and University of Tokyo !

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NASA Selects 2 Instruments for Artemis IV Lunar Surface Science - NASA Science NASA has selected two science instruments designed for astronauts to deploy on the surface of the Moon during the Artemis IV mission to the lunar south polar

Kudos to @markpanning.seismology.space ! science.nasa.gov/missions/art....

4 months ago 2 0 1 0
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From the InSight experience on Mars to the lunar South Pole, this instrument brings together CNES, JPL, JAXA, IPGP, ISAE-SUPAERO. Can’t wait to see what the Moon has to tell us when astronauts switch it on! #Artemis #MoonquakesReady

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What makes SPSS special? An ultra-sensitive Very Broad Band seismometer @cnes.fr , heritage from InSight on Mars) Three high-precision short-period geophones provided by @isae-supaero.bsky.social and SLB, @ipgp.bsky.social and SLB Together, they’ll give us the sharpest insights of the Moon ever!

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Great news for lunar science! 🧑‍🚀🌓🚀 NASA has selected the SPSS payload for the Artemis IV mission (2028) It will be deployed near the Moon’s South Pole to record moonquakes and reveal the deep interior. A proud international effort led by JPL! #ArtemisIV

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Happy Thanksgiving 🦃🍁 to those who celebrate!

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