zx Posted August 6, 2017 Share Posted August 6, 2017 A Fully Automated Science Lab Could Be Coming to NASA's New Lunar Station https://www.space.com/37706-nasa-lunar-station-automated-science-lab.html Link to comment Share on other sites More sharing options...
zx Posted August 28, 2017 Share Posted August 28, 2017 (edited) NASA Flagship Missions Seen As Vital To U.S. Leadership http://aviationweek.com/space/nasa-flagship-missions-seen-vital-us-leadership accès limité OUSTON—NASA’s most ambitious space science endeavors—including its most expensive Mars rovers, space telescopes and Earth-observing satellites—are an essential part of maintaining U.S. leadership in space exploration, an assessment from the National Academies of Science, Engineering and Medicine says. The assessment also stresses the need for cost controls to help ensure a balanced research agenda of medium and small missions. Flagship science missions—the agency’s most expensive at $1 billion or more and including the Curiosity rover, Hubble Space Telescope and Terra Earth—are traditionally the longest running, most productive and open to the largest numbers of scientists from multiple disciplines. “Large strategic missions are essential to maintaining the global leadership of the United States in space exploration and in science because only the United States has the budget, technology, and trained personnel in multiple scientific fields to conduct missions that attract a range of international partners,” says the132-p. National Academies report, " Powering Science—NASA’s Large Strategic Science Missions." The report, made public Aug. 24, was compiled by 14 experts in the field. It was co-chaired by space physicists Ralph McNutt of the Johns Hopkins University’s Applied Physics Lab, and Kathryn Thornton of the University of Virginia, a former NASA astronaut. Of more than 60 NASA science missions underway, flagships typically incorporate challenging technologies, take a decade or more to develop and are destined for the harshest environments. For example, work on the James Webb Space Telescope, Hubble’s successor, began in 2002. Now planned for a late 2018 launch, Webb will study the most distant star systems and look for biomarkers in the atmospheres of extrasolar planets, but at a mission cost now estimated at $8.8 billion. NASA’s science mission directorate, which requested the assessment in 2016, claims the largest share of the space agency’s overall $19.65 billion budget for 2017. The ranking and the science bottom line, $5.7 billion, are not expected to change through 2022, according to estimates in the proposed 2018 NASA budget now before Congress. To encourage a productive balance between large, medium and small science missions, the report terms cost control of the large endeavors “vital,” while offering nine recommendations to help achieve the most favorable outcome: —Flagships should be included in a mix of smaller missions in the Earth and planetary science, astrophysics and heliophysics sub disciplines. —The decadal surveys developed by the National Academies offer the best guidance for making tradeoffs between the development and operation of large and smaller missions. —Flagship mission proposal teams should outline a range of scientific objectives and match objectives to different budget levels, permitting NASA and a larger science community to seek less expensive implementation strategies. —Decadal science priorities should include spending constraints and flexibility to de-scope flagships confronted by cost overruns or technical barriers as well as up-scoping as new technologies emerge. —Future decadal surveys should include variants in mission concepts as part of an overall assessment of cost and technical risks to permit refinements in mission concepts. —Decadal surveys should include future budget considerations in their priority setting. —NASA should step up the robustness of mission studies, allowing trade-offs for science, risk, cost, performance and schedule prior to the decadal science priority process. —NASA should embrace a variety of cost estimation and cost management tools to control the cost and risk of flagship missions in response to the decadal priority setting. —NASA should establish a publicly accessible and regularly updated database for its flagships that reflect advances in science and technology as well as confirmed mission development costs and other data useful to NASA reviewers as large missions achieve their primary objectives. These data should be of sufficient detail and quality to enable a basic assessment of mission productivity and scientific advancement. Edited August 28, 2017 by zx Link to comment Share on other sites More sharing options...
collectionneur Posted August 28, 2017 Share Posted August 28, 2017 Le centre spatial de Houston est il impacté par les inondations ? Les photos montrent toute la ville sous les eaux. Link to comment Share on other sites More sharing options...
zx Posted August 28, 2017 Share Posted August 28, 2017 NASA flight controllers shelter in place during storm https://spaceflightnow.com/2017/08/27/nasa-flight-controllers-shelter-in-place-during-storm/ 1 Link to comment Share on other sites More sharing options...
zx Posted August 29, 2017 Share Posted August 29, 2017 NASA studies mission to return samples from Mars by end of 2020s https://spaceflightnow.com/2017/08/28/nasa-studies-mission-to-return-samples-from-mars-by-end-of-2020s/ Link to comment Share on other sites More sharing options...
zx Posted August 30, 2017 Share Posted August 30, 2017 AVANT-PREMIÈRETempête Harvey: à la Nasa, des lits de camp dans la salle de contrôle de l'ISS http://www.lefigaro.fr/sciences/2017/08/30/01008-20170830ARTFIG00233-tempete-harvey-a-la-nasa-des-lits-de-camp-dans-la-salle-de-controle-de-l-iss.php Link to comment Share on other sites More sharing options...
collectionneur Posted August 31, 2017 Share Posted August 31, 2017 Question bête, la NASA a t'elle un centre de secours en cas de fermeture de Houston ? Pour l'ISS, on transfert les commandes aux russes, mais pour les programmes civils américains, l'USAF peut prendre le relais ? Link to comment Share on other sites More sharing options...
zx Posted August 31, 2017 Share Posted August 31, 2017 (edited) L'autre site equivalent à Houston pour l'ISS c'est Moscou. Mais je crois qu'ils peuvent mettre en place une structure de secours mobile avec des pc portable avec des stations de transmission très rapidement en cas d'indisponibilité du site primaire de Houston. ca date du temps des navettes. le site secondaire devrait se trouver à la base militaire White Sands de la NASA au Nouveau-Mexique c'est le centre de test et de support de la nasa Edited August 31, 2017 by zx 1 Link to comment Share on other sites More sharing options...
zx Posted November 24, 2017 Share Posted November 24, 2017 Mars InSight mission passes TVAC testing ahead of 2018 launch https://www.nasaspaceflight.com/2017/11/mars-insight-passes-tvac-testing-2018-launch/ Link to comment Share on other sites More sharing options...
collectionneur Posted December 2, 2017 Share Posted December 2, 2017 4 propulseurs arrêter depuis 1980 ont redémarré sur Voyager 1, cela devrai permettre de rester en contact avec elle 2 ou 3 ans de plus : https://www.ouest-france.fr/sciences/espace/nasa/la-nasa-remet-en-service-des-propulseurs-inusites-depuis-37-ans-5419216 1 2 Link to comment Share on other sites More sharing options...
zx Posted December 11, 2017 Share Posted December 11, 2017 Trump veut envoyer des Américains sur la Lune (et plus tard sur Mars) http://www.lefigaro.fr/sciences/2017/12/11/01008-20171211ARTFIG00216-trump-veut-envoyer-des-americains-sur-la-lune-et-plus-tard-sur-mars.php Link to comment Share on other sites More sharing options...
collectionneur Posted December 11, 2017 Share Posted December 11, 2017 Croisons les doigts, depuis Bush père, aucune présidence n'est arrivé a conclure ce projet... Et vu le guignol actuel, c'est encore plus problématique... Link to comment Share on other sites More sharing options...
PhilACP7 Posted December 11, 2017 Share Posted December 11, 2017 (edited) Moi je suis pour envoyer Trump sur la Lune ou sur Mars dès demain !! Ah et aussi Kim Jong 2... On peut peut-être demander à Elon (il y a bien deux places dans la Tesla au sommet de la Falcon Heavy !!) Edited December 11, 2017 by PhilACP7 3 Link to comment Share on other sites More sharing options...
TarpTent Posted January 11, 2018 Share Posted January 11, 2018 (edited) D’après Futura-Sciences, les véhicules habités de SpaceX et Boeing devraient être testés cette année. (voir fil SpaceX pour le spécifique le concernant) Un test d’éjection d’urgence sera mené préalablement, avec pour Boeing une réalisation depuis le banc de test : « son système sera (.) sagement installé sur un banc de test. (.) la capsule sera propulsée en l'air à plus d'1,5 kilomètre d'altitude, ce qui permettra aux modules de service et d'équipage de se séparer. Ce dernier utilisera ses parachutes pour atterrir. » Concernant les vols eux-mêmes, nous aurons à patienter un petit semestre, semble-t-il : « Les vols d'essais inhabités des deux capsules sont prévus vers la mi-2018. Boeing comme SpaceX prévoient une mission d'environ deux semaines à destination de la Station spatiale internationale avec un amarrage au complexe orbital » « Telle que définie par la Nasa, une mission habitée standard à destination de la Station comprend le transport de quatre astronautes (de l'agence américaine ou d'un autre pays dans le cadre d'un partenariat), et environ 100 kilogrammes de fret pressurisés. Le véhicule devra ensuite rester amarré à la Station durant un maximum de 210 jours et être utilisé comme véhicule d'évacuation d'urgence pendant cette période. Mais la première mission habitée de chaque entreprise transportera seulement deux astronautes. » https://www.futura-sciences.com/sciences/actualites/acces-espace-taxis-espace-boeing-spacex-decolleront-ils-cette-annee-58433/ (Je reposte également chez SpaceX pour les parties le concernant spécifiquement) Edited January 11, 2018 by TarpTent 1 1 Link to comment Share on other sites More sharing options...
zx Posted February 13, 2018 Share Posted February 13, 2018 (edited) Trumpignon commence à faire des siennes, mais spacex doit être une grosse épine dans son pied concernant son SLS Trump budget aims to kick-start lunar exploration, cancels space telescope https://spaceflightnow.com/2018/02/12/trump-budget-aims-to-kick-start-lunar-exploration-but-cancels-major-space-telescope/ Edited February 13, 2018 by zx Link to comment Share on other sites More sharing options...
zx Posted February 17, 2018 Share Posted February 17, 2018 (edited) NASA releases Request For Information for new Orion Service Module engine https://www.nasaspaceflight.com/2018/02/nasa-releases-rfi-new-orion-service-module-engine/ présentation de la partie ESA, après l'expérience de l'ATV Edited February 17, 2018 by zx 1 Link to comment Share on other sites More sharing options...
zx Posted February 23, 2018 Share Posted February 23, 2018 (edited) La Nasa rêve d'envoyer un petit hélicoptère sur Mars en 2020 http://www.lefigaro.fr/sciences/2018/02/23/01008-20180223ARTFIG00156-la-nasa-reve-d-envoyer-un-petit-helicoptere-sur-mars-en-2020.php ca peut etre utile pour reconnaitre les zones d'atterissage, voir baliser les zones avec de balise de guidage. Edited February 24, 2018 by zx 1 Link to comment Share on other sites More sharing options...
zx Posted March 3, 2018 Share Posted March 3, 2018 c'est la que les américains sont forts, au lieu d'abandonner la mission ,ils réussissent à prévoir et à gérer les cas de résilience en cas de défaillance, et ils peuvent utiliser d'autre systèmes pour faire la tâche que l'élément principal n'arrive plus à faire. Curiosity reprend ses forages http://www.air-cosmos.com/curiosity-reprend-ses-forages-108027 il faudra prévoir 2 bras, la prochaine fois, avec des système redondant, pour le prochain curiosity Link to comment Share on other sites More sharing options...
zx Posted March 7, 2018 Share Posted March 7, 2018 Le futur helico marsien https://www.futura-sciences.com/sciences/actualites/exploration-robotique-mars-mars-2020-helicoptere-planete-rouge-70357/ Link to comment Share on other sites More sharing options...
collectionneur Posted March 10, 2018 Share Posted March 10, 2018 Si vous souhaitez que votre nom vogue du côté du Soleil enregistré a bord d'une sonde spatiale de la NASA. C'est par ici http://mashable.france24.com/monde/20180308-soleil-nasa-ticket-dor-parker-solar-probe Lien sur la mission Parker Solar Probe : http://parkersolarprobe.jhuapl.edu/The-Mission/Name-to-Sun/ 1 Link to comment Share on other sites More sharing options...
zx Posted March 17, 2018 Share Posted March 17, 2018 (edited) Pour que ca marche en tant que relai, il faudrait une station scientifique sur la lune, une station en orbite lunaire relai, une station en orbite terrestre, pour les véhicules de services dédié et un vaisseau passager inter station. sans oublier les vaisseau cargo. Pour la première mission du SLS, ca serait la mise en place d'une station relai autour de la lune, pour des usage divers ("peu clair") Cislunar station gets thumbs up, new name in President’s budget request https://www.nasaspaceflight.com/2018/03/cislunar-station-new-name-presidents-budget/* Citation “It will provide attitude control for the LOP-G in multiple configurations, communication to and from Earth, space-to-space communication, space-to-lunar communication, and in support of astronaut EVA. PPE will also deliver systems necessary for deep space navigation, docking, and refueling. At the end of the LOP-G operational life, PPE will move the integrated LOP-G stack to a disposal orbit.” Edited March 17, 2018 by zx 1 Link to comment Share on other sites More sharing options...
zx Posted March 25, 2018 Share Posted March 25, 2018 (edited) il y a un gros boost sur le SLS, la FH a du faire son petit effet. Le plan budgétaire comprend une augmentation de 1 milliard de dollars pour la NASA http://aviationweek.com/space/budget-plan-includes-1-billion-boost-nasa CAPE CANAVERAL—A $1.3 trillion spending bill pending before the House on March 22 includes an extra $1 billion for NASA to build a second Space Launch System (SLS) mobile launch platform, restore its defunded Education Office and add planetary and Earth science projects. The 2,232-page omnibus spending bill, which would fund the government through Sept. 30, 2018, and avoid a third shutdown of the year, was released late March 21. It boosts NASA’s fiscal 2018 budget to $20.7 billion, nearly $1.1 billion over the fiscal 2017 plan and $1.6 million more than what the Trump administration is requesting for fiscal 2019, which begins Oct. 1. NASA, like the rest of the federal government, is currently operating under a Continuing Resolution (CR) which expires at midnight March 23. With marching orders and $350 million for a second SLS mobile launch platform, NASA could trim the 33 months needed between the rocket’s unmanned debut launch, expected in mid-2020, and the second test flight which would include astronauts on a nine-day mission around the Moon. NASA has said 33 months is the amount of time needed to modify its existing mobile launcher to accommodate the taller upper-stage booster needed for SLS’s second flight. The Trump administration’s fiscal 2019 spending plan, which was released in February, does not include money for a second mobile launcher. “This money will get us down the path to Mars sooner and safer,” U.S. Rep. Bill Nelson, a Florida Democrat, said in a statement. The proposed fiscal 2018 budget includes $6.2 billion for science, an increase of $457 million, and directs NASA to follow the findings of the National Academy of Sciences’ decadal surveys. The Trump administration proposes to cancel the Wide Field Infrared Survey Telescope (Wfirst), a follow-on project to the James Webb Space Telescope, that is intended to probe dark matter and scan exoplanets’ atmospheres for possible signs of life. Wfirst was the highest priority space science mission in the most recent decadal survey. Overall, spending on planetary science would increase from $1.8 billion in fiscal 2017 to $2.3 billion this year. The proposed bill adds a second spacecraft to explore Europa, a key target in the search for life beyond Earth, and instructs NASA to fly the missions on SLS rockets launching in 2022 and 2024. The Trump administration wants the first mission, known as Europa Clipper, to fly on a commercial rocket. Its fiscal 2019 budget request does not include money for a Europa lander. The proposed bill maintains spending on Earth science projects at $1.9 billion, the same amount allotted in fiscal 2017, and restores four missions earmarked for cancellation by the Trump administration: the Plankton, Aerosol, Cloud, ocean Ecosystem mission, known as PACE; the follow-on Orbiting Carbon Observatory-3; Climate Absolute Radiance and Refractivity Observatory pathfinder; and an Earth-viewing camera on the Dscovr space weather satellite. The proposed bill maintains SLS and Orion, a deep-space capsule, funding at fiscal 2017 levels of $2.15 billion and $1.35 billion respectively, and increases funding for ground system development at Kennedy Space Center from $429 million to $545 million, not including the second mobile launcher. The bill also restores $100 million for NASA’s Education Office, which would be shut down under the Trump administration’s fiscal 2019 spending plan. Edited March 25, 2018 by zx 1 Link to comment Share on other sites More sharing options...
seb24 Posted March 25, 2018 Share Posted March 25, 2018 Il y a 4 heures, zx a dit : il y a un gros boost sur le SLS, la FH a du faire son petit effet. Le plan budgétaire comprend une augmentation de 1 milliard de dollars pour la NASA http://aviationweek.com/space/budget-plan-includes-1-billion-boost-nasa Je crois surtout que Trump veut que le SLS lance des astronautes sous sa présidence (faute de mieux). Link to comment Share on other sites More sharing options...
zx Posted March 29, 2018 Share Posted March 29, 2018 (edited) « Parker Solar Probe », la sonde qui doit s’approcher le plus près possible du Soleil http://www.lemonde.fr/cosmos/video/2018/03/29/parker-solar-probe-la-sonde-qui-doit-s-approcher-le-plus-pres-possible-du-soleil_5278243_1650695.html La sonde de la NASA Parker Solar Probe décollera en juillet. Elle voyagera sept ans en orbite autour du Soleil. L’objectif est de comprendre, d’une part, pourquoi l’atmosphère du Soleil, sa « couronne », est plus chaude que la surface de l’étoile et, d’autre part, d’apprendre sur les mécanismes des vents solaires. Pour cela, la sonde de la taille d’une petite voiture (610 kg) va étudier l’étoile de très près. La NASA prévoit trois passages à 6,5 millions de kilomètres du Soleil. Aucun engin n’est arrivé aussi près. Les données envoyées sur Terre par Parker Solar Probe permettront aux scientifiques de comprendre comment anticiper les tempêtes et éruptions solaires qui perturbent nos systèmes de télécommunications et de réseaux électriques. Les tempêtes solaires peuvent, par exemple, abîmer les satellites ou brouiller leurs systèmes de transmission. Et le trafic aérien ou la localisation par GPS dépendent de ces satellites. Ce sont les vents solaires qui sont aussi à l’origine du phénomène spectaculaire des aurores boréales. En savoir plus sur http://www.lemonde.fr/cosmos/video/2018/03/29/parker-solar-probe-la-sonde-qui-doit-s-approcher-le-plus-pres-possible-du-soleil_5278243_1650695.html#REeI1KuEfva7bSDa.99 Edited March 29, 2018 by zx 1 1 Link to comment Share on other sites More sharing options...
zx Posted April 5, 2018 Share Posted April 5, 2018 Hausse du budget de la NASA de près de 1,1 Md$ pour l’année fiscale 2018 https://www.france-science.org/Hausse-du-budget-de-la-NASA-de.html?mc_cid=acf4f9aadc&mc_eid=6cd43210eb 1 Link to comment Share on other sites More sharing options...
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