vania-janet/multiturn-rag-retrieval-data huggingface dataset:
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Mark ClampinDr. Mark Clampin is the Astrophysics Division Director in the Science Mission Directorate at NASA Headquarters in Washington, DC. The…BioValeria SalazarSystems Engineer - NASA's Jet Propulsion Laboratory (JPL)BioPrevious12345…8NextReturn to topThe National Aeronautics and Space AdministrationNASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.About NASA's MissionJoin UsHomeNews & EventsMultimediaNASA+MissionsHumans in SpaceEarth & ClimateThe Solar SystemThe UniverseScienceAeronauticsTechnologyLearning ResourcesAbout NASANASA en EspañolFollow NASAMore NASA Social AccountsNASA NewslettersSitemapFor MediaPrivacy PolicyFOIANo FEAR ActOffice of the IGBudget & Annual ReportsAgency Financial ReportsContact NASAAccessibilityPage Last Updated:5 months agoPage Editor:SMD Content EditorsResponsible NASA Official for Science:Dana Bolles
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ScienceThe Sun & HeliophysicsBiological & Physical SciencesLunar ScienceCitizen ScienceAstromaterialsAeronautics ResearchHuman Space Travel ResearchExploreSearchSubmitNews & EventsMultimediaNASA+…ExoplanetsHow We Find and CharacterizeExoplanets HomeExoplanets OverviewExoplanets FactsTypes of ExoplanetsStarsWhat is the UniverseSearch for LifeThe Big QuestionsAre We Alone?Can We Find Life?The Habitable ZoneWhy We SearchDiscoveriesDiscoveries DashboardHow We Find and CharacterizeMissionsPeopleExoplanet CatalogImmersiveThe ExoplaneteersExoplanet Travel Bureau5 Ways to Find a PlanetStrange New WorldsUniverse of MonstersGalaxy of HorrorsNewsStoriesBlogMultimediaResourcesGlossaryEyes on ExoplanetsExEPExplore This SectionExoplanets HomeExoplanets OverviewSearch for LifeDiscoveriesImmersiveNewsMultimediaResourcesExEPHow We Find and Classify Exoplanets ContentsRadial Velocity: Reading the WobbleTransits: Planets Found in Dips in LightTransit Spectroscopy: Reading the LightGravitational MicrolensingThe Rise of Direct ImagingCoronagraphStarshadeSince the first confirmation of an exoplanet orbiting a Sun-like star in 1995, and with only a small sampling of our Milky Way galaxy so far surveyed, we’ve already struck many rich veins.A statistical estimate based on data from NASA’s Kepler Space Telescope revealed that there are more planets than stars in our galaxy. That means there are more than a trillion planets in our galaxy alone, many of them in Earth’s size range.“Right now we know, for the first time, that small planets are very common,” said Sara Seager, a professor at the Massachusetts Institute of Technology and an exoplanet research pioneer. “It’s phenomenal. We had no way to know that before Kepler. We’ll just say, colloquially: They’re everywhere.”This artist's conception shows a young, hypothetical planet around a cool star.
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18 min read40 Years Ago: NASA Selects its 10th Group of AstronautsJohn UriJohnson Space CenterMay 23, 2024 Article

On May 23, 1984, NASA announced the selection of its 10th group of astronauts. Chosen from nearly 5,000 applicants, the group comprised 17 astronaut candidates – seven pilots and 10 mission specialists – and included three women and one Hispanic American. They reported for duty on July 2 to begin their year-long training period to qualify as astronauts, following which they became eligible for flight assignments. As a group, they distinguished themselves, participating in a total of 51 spaceflights, two of them as space station expedition commanders. All members of the group completed at least one spaceflight, with two making a single trip into space, five making two trips, four going three times, four flying four times, one flying five times, and one making six trips.
The Group 10 NASA astronaut candidates pose for a group photo on their arrival day at NASA’s Johnson Space Center in Houston – front row, Mark C. Lee, left, L. Blaine Hammond, James C. Adamson, Kenneth D. Cameron, Frank L. Culbertson, William M. Shepherd, Ellen L. Shulman, Michael J. McCulley, Kathryn C. Thornton, and C. Lacy Veach; back row, Sidney M. Gutierrez, Mark N. Brown, John H. Casper, G. David Low, James D. Wetherbee, Marsha S. Ivins, and Manley L. “Sonny” Carter.
On May 16, 1983, NASA announced the institution of an annual astronaut selection process.
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The positions of the planets, moons and spacecraft are shown where they are right now.NASA/JPL-CaltechFree Range ExplorationExperience Earth and our solar system, the universe and the spacecraft exploring them in real-time, using real NASA data, with these free immersive apps for Mac, PC and mobile devices.› NASA's Eyes on the Solar SystemNASA/JPL-CaltechWorlds Beyond Our Solar SystemSo far, we’ve discovered more than 4,000 exoplanets. Many of these planets beyond our own solar system are … weird. Super-Earths (bigger than Earth and smaller than Neptune) and hot Jupiters (gas giants that orbit really close to their stars) abound. You can visit some of these real worlds and see what conditions might be like, based on NASA’s science at our Exoplanet Travel Bureau. We have 360-degree visualizations of planet surfaces like one of the seven rocky worlds of the TRAPPIST-1 system and the lava-covered planet called 55 Cancri e. What would the view be from a potential moon of Kepler-16b? You’d have two shadows from the planet’s two suns! Viewable on desktop, mobile and optimized for viewers like Google cardboard. While you’re there, download the free travel posters.› NASA Exoplanet ExplorationRocket Ranch is the official podcast of NASA’s Kennedy Space Center.Listen and ReadPlenty of great NASA stories are available in our collections of podcasts and e-Books.This Week's Suggestions› Gravity Assist (Podcast)› Houston, We Have a Podcast› Earth at Night (e-Book)› The Saturn System Through the Eyes of Cassini (e-Book)Citizen Scientist Katharina Doll on a student visit to CERN, also known as European Organization for Nuclear Research.Katharina DollDo-It-Yourself ScienceNASA’s citizen science projects are collaborations between scientists and the public. Volunteers (citizen scientists like Katharina) have helped make thousands of important scientific discoveries. Want to work on some real NASA science? Use the links below to get started.
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Discovery Program
- Exoplanet observation mission (launched 7 March 2009) Dawn - Asteroid Vesta and Ceres orbiter (launched 27 September 2007) Deep Impact - Mission to Comet Tempel 1 (launched 12 January 2005) MESSENGER - Mission to orbit Mercury (launched 3 August 2004) CONTOUR - Mission to fly by three comet nuclei (launched 3 July 2002 - failed) Genesis - Solar wind sample return mission (launched 8 August 2001) Stardust - Comet P/Wild 2 coma sample return (launched 7 February 1999) Lunar Prospector - Lunar orbiter (launched 7 January 1998) Mars Pathfinder - Mars surface lander and rover (launched 4 December 1996) Near Earth Asteroid Rendezvous (NEAR) - Asteroid 433 Eros Orbiter (launched 17 February 1996) Discovery Missions of Opportunity MEGANE - MMX gamma-ray/neutron spectrometer EPOXI - Deep Impact extended mission Stardust-NExT - Stardust extended mission Moon Mineralogy Mapper (M3) - Chandrayaan 1 imaging spectrometer ASPERA-3 - Mars Express ion, electron, and neutral atom analyzer Strofio - BepiColombo Mercury mass spectrometer More Information on the Discovery Program and Missions NASA selects 2 missions to study 'lost habitable' world of Venus - Press Release (June 2021) NASA selects two missions to explore the early solar system - Press Release (January 2017) NASA selects investigations for future key planetary mission - Press Release (September 2015) New insight on Mars expected from new NASA mission - Press Release (August 2012) NASA selects investigations for future key planetary mission - Press Release (May 2011) New NASA Mission to Reveal Moon's Internal Structure and Evolution - Press Release (December 2007) Three new concept studies and three missions of opportunity - Press Release (October 2006) Two new missions, Dawn and Kepler, selected - Press Release (December 2001) Three new missions under consideration - Press Release (January 2001) Selection of MESSENGER and Deep Impact - Press Release (July 1999) Five missions selected for further study - Press Release (November 1998) Selection of CONTOUR and Genesis - Press Release (October 1997) Lunar Prospector Selection - Press Release (February 1995)
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&amp; Dwarf PlanetsAsteroids, Comets &amp; MeteorsThe Kuiper BeltThe Oort CloudSkywatchingEspañol CienciaAeronáuticaCiencias TerrestresSistema SolarUniversoScience All NASA ScienceEarth SciencePlanetary ScienceAstrophysics & Space ScienceThe Sun & HeliophysicsBiological & Physical SciencesLunar ScienceCitizen ScienceAstromaterialsAeronautics ResearchHuman Space Travel ResearchExploreSearchSubmitNews & EventsMultimediaNASA+HomeAsteroids, Comets &...Asteroids, Comets, and Meteors OverviewAsteroidsCometsMeteors & MeteoritesFactsStoriesGalleryOur Solar SystemExplore This SectionAsteroids, Comets, and Meteors OverviewFactsStoriesGalleryOur Solar SystemAsteroids, Comets & MeteorsOur solar system's small bodies pack big surprises.Exploring asteroids02Active Missions01Mission On Deck At the StationAsteroidsRocky leftovers from planet formation.CometsCosmic snowballs of gas and dust.MeteorsBits of debris that fall through the atmosphere.Planetary DefenseProtect Earth from impacts.OverviewAsteroids, comets, and meteors are chunks of rock, ice, and metal left over from the formation of our solar system 4.6 billion years ago. They are a lot like a fossil record of our early solar system. There are currently about 1.3 million known asteroids, and more than 3,800 known comets.Unable to render the provided sourceExplore the 3D world of asteroids, comets, and NEOs.