Historical Organization
NASA
NASA
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Organization Timeline
Vaughan leads Black women human computers
📅 20 September 1910She assigned and reviewed demanding aeronautical calculations while advocating for staff members' opportunities.
Vaughan masters FORTRAN during electronic transition
📅 20 September 1910Anticipating automation, she learned programming and helped colleagues shift from hand calculation to digital computing.
Segregation shaped NASA's mathematical workforce
📅 20 September 1910Vaughan's achievements occurred within racially separated facilities and job classifications that obscured Black women's contributions.
Dorothy Vaughan is born
📅 20 September 1910Vaughan became a mathematician, programmer and the first Black supervisor at the segregated West Area Computing Unit at Langley.
Katherine Johnson is born
📅 26 August 1918Johnson became a research mathematician whose trajectory calculations supported early United States human spaceflight.
Johnson calculates orbital paths
📅 26 August 1918Her work helped determine launch windows, return routes and rendezvous procedures for Mercury and Apollo missions.
John Glenn asks Johnson to verify electronic calculations
📅 26 August 1918Her hand check of the orbital numbers shows how human mathematical judgment remained essential during early computerization.
Johnson crosses racial and gender barriers at NASA
📅 26 August 1918Her career developed within segregated Virginia workplaces where Black women often lacked title, credit and promotion equal to their responsibilities.
Mary Jackson is born
📅 9 April 1921Jackson moved from the West Area Computing Unit into engineering and became NASA's first Black female engineer.
Jackson studies supersonic airflow
📅 9 April 1921Her research analyzed boundary layers, pressure and aircraft behaviour in high-speed wind tunnels.
Segregation obstructs Jackson's engineering courses
📅 9 April 1921She needed special permission to attend classes held at an all-white school, exposing how law restricted scientific careers.
Jackson later advocates for women at NASA
📅 9 April 1921She left engineering management for equal-opportunity work aimed at improving hiring and promotion routes.
Planetary science gains a close view of Venus
📅 14 December 1962The flyby provided direct data to compare with Earth-based astronomical observations.
A robotic probe reaches another planet
📅 14 December 1962Mariner 2 showed that interplanetary spacecraft could return measurements from distant worlds.
Venus is examined by instruments in space
📅 14 December 1962Mariner 2 measured properties of the planet while passing it without entering orbit.
Mariner 2 flies past Venus
📅 14 December 1962The spacecraft became the first successful interplanetary probe to visit another planet.
The Moon landing reflects Cold War priorities
📅 20 July 1969Its mathematics produced a historic achievement while relying on immense state spending, military technology and geopolitical competition.
A human crew reaches another world
📅 20 July 1969The landing was a milestone in human exploration of the solar system; the first steps took place later in UTC on 21 July.
Collins maintains lunar orbit
📅 20 July 1969Michael Collins piloted the command module while the lunar module descended to the surface.
A lunar landing makes field science possible
📅 20 July 1969The landing prepared for direct observations and sample collection by human explorers on the Moon.
Apollo 11 lands on the Moon
📅 20 July 1969Armstrong and Aldrin landed in the Sea of Tranquility while Collins remained in lunar orbit.
Human and electronic computers share responsibility
📅 20 July 1969Mainframes, onboard guidance, ground teams and hand-prepared backup charts formed one distributed calculating system.
Katherine Johnson's mathematics supports Apollo
📅 20 July 1969Johnson calculated and checked trajectories and helped design procedures for synchronizing spacecraft in lunar orbit.
Apollo 11 lands on the Moon
📅 20 July 1969The lunar module reached the Moon after a mission dependent on trajectory design, numerical simulation, navigation and real-time calculation.
Planetary exploration moves beyond flybys
📅 14 November 1971Mariner 9 showed how staying in orbit could reveal much more than a single passing encounter.
Mars gains a robotic satellite
📅 14 November 1971Engine firing slowed Mariner 9 enough for capture by Martian gravity.
Mariner 9 enters orbit around Mars
📅 14 November 1971The spacecraft became the first human-made object to orbit another planet.
An orbiter prepares to map Mars
📅 14 November 1971The new orbit enabled prolonged planetary study, although a global dust storm initially limited surface views.
Voyager 2 carries a Golden Record
📅 20 August 1977The probe’s record carried images and sounds selected to represent life and culture on Earth.
An outer-planet observatory leaves Earth
📅 20 August 1977The spacecraft carried cameras and instruments to study planets, moons and their environments.
A probe begins the grand tour
📅 20 August 1977Voyager 2 took a path that would later permit encounters with Jupiter, Saturn, Uranus and Neptune.
Voyager 2 launches first
📅 20 August 1977Despite its number, Voyager 2 departed before Voyager 1, beginning its journey to the outer planets.
Twin Voyager missions are underway
📅 5 September 1977The 5 September launch completed the pair’s departure for outer-planet exploration.
Voyager 1 carries a Golden Record
📅 5 September 1977Its record presented sounds and images from Earth to any future finders of the spacecraft.
A probe sets out for Jupiter and Saturn
📅 5 September 1977Voyager 1 began a mission designed to return images and measurements of distant giant planets.
Voyager 1 launches on a faster course
📅 5 September 1977The second Voyager launch used a trajectory that overtook Voyager 2 on the way to Jupiter.
Hubble Space Telescope launches
📅 24 April 1990The telescope lifted off aboard space shuttle Discovery for an orbit above Earth’s atmosphere.
A space observatory begins its journey
📅 24 April 1990Hubble’s launch created a platform for observing the universe without most atmospheric distortion.
Astronomy receives a serviceable orbital telescope
📅 24 April 1990Hubble was designed so astronauts could later repair and upgrade it.
An international astronomy project reaches orbit
📅 24 April 1990NASA and ESA contributed to the space telescope, whose deployment occurred the next day.
NASA explains eclipses and Earth's changing rotation
📅 11 July 2005The publication shows why ancient eclipse observations cannot be matched accurately without accounting for changes in Earth's spin.
Babylonian Saros cycles support eclipse prediction
📅 11 July 2005Mesopotamian scholars recognized repeating relationships in lunar eclipses and passed this numerical knowledge into later traditions.
Halley uses ancient records in early modern astronomy
📅 11 July 2005Comparing historical reports with Newtonian calculations revealed that the Moon's apparent motion could not be treated as perfectly uniform.
Time itself becomes an astronomical variable
📅 11 July 2005Long-term tidal interaction between Earth and Moon gradually changes day length and shifts reconstructed eclipse paths.
Hubble records its millionth science observation
📅 4 July 2011The observatory logged a millionth science exposure while searching for water in an exoplanet atmosphere.
An exoplanet supplies Hubble’s milestone target
📅 4 July 2011The target was the hot gas giant HAT-P-7b, observed for atmospheric signatures.
Long-lived telescope passes a million observations
📅 4 July 2011The milestone reflects decades of research by many teams using the orbiting observatory.
Atmosphere research meets a space-telescope milestone
📅 4 July 2011The selected observation illustrates how exoplanets became part of Hubble’s science program.
New Horizons flies past Pluto
📅 14 July 2015The spacecraft made humanity’s first close flyby of the dwarf planet.
Pluto’s surface is observed at close range
📅 14 July 2015Cameras and instruments collected data on Pluto during the encounter; transmission to Earth continued afterward.
Charon enters a historic flyby
📅 14 July 2015The mission studied Pluto and its large moon Charon during the same close encounter.
The Kuiper Belt becomes a nearby field site
📅 14 July 2015The flyby transformed Pluto from a distant point into a world with visible geological features.
Ancient records complement modern instruments
📅 3 February 2020Historical reports extend the baseline for studying solar activity and its influence on Earth.
NASA publishes a global solar-science timeline
📅 3 February 2020The timeline places Babylonian eclipse tablets and Chinese sunspot reports before telescopic European solar research.
Naked-eye observation produces long solar records
📅 3 February 2020Under particular atmospheric conditions, large sunspots and unusual solar effects could be recorded without telescopes.
Public timelines can correct narrow origin stories
📅 3 February 2020Including Asian and Mesopotamian observations shows that systematic solar knowledge did not begin with the European telescope.
James Webb Space Telescope launches
📅 25 December 2021The infrared observatory lifted off on an Ariane 5 rocket from French Guiana.
Three space agencies begin a shared observatory mission
📅 25 December 2021NASA, ESA and CSA collaborated on the telescope and its scientific instruments.
An infrared telescope begins its journey
📅 25 December 2021The launch sent Webb toward its distant observing location near the Sun–Earth L2 point.
Webb starts a months-long commissioning period
📅 25 December 2021After launch, the observatory still had to unfold, align and calibrate before routine science.
Webb’s First Deep Field is unveiled
📅 11 July 2022A composite image of galaxy cluster SMACS 0723 was shown publicly.
Gravitational lensing fills a deep image
📅 11 July 2022The image shows arcs of distant galaxies magnified by foreground cluster mass.
An infrared view reaches faint galaxies
📅 11 July 2022Webb’s first public deep field demonstrated the power of its near-infrared camera.
A space telescope shows the distant universe
📅 11 July 2022The image combined many exposures taken before its unveiling; the date marks public release.
Webb releases its first image collection
📅 12 July 2022The public release presented several targets after the previous evening’s single deep-field unveiling.
A stellar nursery appears in infrared light
📅 12 July 2022The collection included the Cosmic Cliffs in the Carina Nebula.
A planetary nebula displays dying-star structures
📅 12 July 2022Webb’s release included infrared views of the Southern Ring Nebula.
A distant planet receives an atmospheric spectrum
📅 12 July 2022The first suite included spectroscopic results for an exoplanet, alongside images of galaxies and nebulae.