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#OTD in 1998, the first two modules of the @Space_Station were mated together. 🛠 The newly joined Zarya module (on the left) and Unity module (right) are seen here in a photo taken by the crew of STS-88 just before their return to Earth.

Learn more: https://go.nasa.gov/3UxypFw
#NASAhistory

20 Years Ago, Space Station Construction Begins

20 Years Ago, ISS Construction Begins
Kelli Mars (NASA)
#otd #NASAhistory

The (Amino) Truth is Out There 👽

#OTD in 1970, Dr. Cyril Ponnamperuma at @NASAAmes and coauthors reported they had positively identified extraterrestrial amino acids in the Murchison meteorite. It was the 1st conclusive proof of chemical evolution beyond Earth. #AlienAminoAcids
#NASAhistory
#otd #NASAhistory #alienaminoacids

Gemini VII astronauts Jim Lovell and Frank Borman launched to Earth orbit #OTD in 1965 for a 14-day endurance mission to see how humans could handle extended periods in space and perform a rendezvous with another craft.

More about the Gemini VII mission: https://go.nasa.gov/3Fm6GmY
#NASAhistory

55 Years Ago: The Spirit of 76 - The First Rendezvous in Space

Kelli Mars (NASA)
#otd #NASAhistory

Astronauts Corps, then Peace Corps

#OTD in 1969, President Nixon announced that Neil Armstrong would serve as Chairman of the Presidential Advisory Committee for the @PeaceCorps, a role Armstrong would serve from 1971–1973.

A video on Armstrong's life: https://go.nasa.gov/3umHlDi
#NASAhistory

NASA Remembers Neil Armstrong

Produced by NASA Television
YouTube
#otd #NASAhistory

#OTD in 1990, Astro-1 was launched on the space shuttle Columbia. It was a science platform that carried one X-ray and three UV telescopes. This pioneering mission gave us a nine-day glimpse of the high-energy universe. Read more: https://go.nasa.gov/3VjYNUJ
#NASAUniverse

Launch of ASTRO-1 – Dec. 2, 1990

This week in 1990, space shuttle Columbia, mission STS-35, launched from NASA’s Kennedy Space Center carrying Astronomy Laboratory 1 in its cargo bay.
Lee Mohon (NASA)
#otd #nasauniverse

#OTD in 1957, space capsules got their shape! NASA engineer Max Faget proposed a blunt conical shape for Earth re-entry based on Harvey Allen's research. The Mercury capsule, shown below during a wind tunnel test, was NASA's 1st crewed spacecraft to use this design!
#NASAhistory
#otd #NASAhistory

(Out of this) World Champions!

#OTD in 1964, the Houston Colt .45s baseball team changed its name to the Houston @astros reflecting the city's new fame as home to the Manned Spacecraft Center (later renamed @NASA_Johnson).
#NASAhistory
#otd #NASAhistory

Before he was an astronaut, Neil Armstrong was a @nasa test pilot, testing research planes including the X-15. Milt Thompson called him "the most technically capable of the early X-15 pilots." On the last of his 7 X-15 flights in July 1962 he reached Mach 5.74.

📷 #OTD in 1959
#NASAhistory
#otd #NASAhistory @NASA

As @nasa works toward a permanent presence on the Moon, the Commercial Lunar Payload Services (CLPS) initiative, announced #OTD in 2018, is a vital part of the plan. Through CLPS, companies competitively bid to bring experiments and supplies to the Moon! https://go.nasa.gov/3ASxubU
#NASAhistory

Commercial Lunar Payload Services

As the first major step to return astronauts to the Moon under Space Policy Directive-1, NASA is working with nine American companies on delivery services to the lunar surface through Commercial Lunar Payload Services (CLPS) contracts.
NASA
#otd #NASAhistory @NASA

The USS Hornet (CV-12) was commissioned #OTD in 1943. 26 years later on Nov. 28, 1969, the Hornet delivered the crew of Apollo 12 inside the Mobile Quarantine Facility to Pearl Harbor.

Which other Apollo mission did the USS Hornet serve as the prime recovery carrier for?
#NASAhistory
#otd #NASAhistory

#OTD in 1967, Jocelyn Bell Burnell provided the first direct evidence of pulsars, rapidly rotating neutron stars. Decades later, the first exoplanets were found – orbiting pulsars, helping launch a new era of discovery. #MondayMotivation: Change the world
https://go.nasa.gov/3ARE7LM
#NASAExoplanets

Overview | Planet Types – Exoplanet Exploration: Planets Beyond our Solar System

So far scientists have categorized exoplanets into the following types: Gas giant, Neptunian, super-Earth and terrestrial, but there is complexity within these groups.
Exoplanet Exploration: Planets Beyond our Solar System
#MondayMotivation #otd #NASAExoplanets

Quiz time‼️

#OTD in 1964, Mariner 4 launched. This 1965 photo is the first closeup picture of what planet in our solar system? 🤔

A. Mercury
B. Venus
C. Mars
D. Jupiter

Comment below with your answer!
#NASAhistory
#otd #NASAhistory

#OTD in 2009, our Cassini spacecraft captured Saturn’s moon Tethys disappearing behind Titan, partly obscured by Titan’s thick atmosphere.
https://go.nasa.gov/3VycTBH
#NASASolarSystem

Tête-à-tête | NASA Solar System Exploration

Saturn’s moon Tethys disappears behind Titan as observed by Cassini on Nov. 26, 2009.
NASA Solar System Exploration
#otd #NASASolarSystem

#OTD in 1975, the Lifting Body Program ended with the final flight of the X-24B by NASA research pilot Tom McMurtry.

Contributing to Space Shuttle research, these wingless vehicles were designed to fly to Earth from space and land like planes.

More: https://go.nasa.gov/3VhA3fn
#NASAhistory

NASA Armstrong Fact Sheet: Lifting Bodies

Lifting Bodies demonstrated the ability of pilots to maneuver and safely land a wingless vehicle.
NASA
#otd #NASAhistory

Happy 11th launchiversary @MarsCuriosity! 🎉 Curiosity lifted off from Cape Canaveral #OTD in 2011 aboard an Atlas V rocket at 10:02 a.m. EST.

Catch up with the rover's latest images and discoveries: https://go.nasa.gov/3AAdmLB
#NASAhistory

Home | Curiosity – NASA’s Mars Exploration Program

NASA's Mars Science Laboratory mission, Curiosity is the largest and most capable rover ever sent to Mars. View the latest news, images, and discoveries from the Red Planet.
NASA Mars Exploration
#otd #NASAhistory

Not all heroes wear spacesuits.

In 2015 #OTD, President Barack Obama awarded former @nasa mathematician Katherine Johnson the Presidential Medal of Freedom, the nation's highest civilian honor, for her contributions to early spaceflight: https://go.nasa.gov/3EQKqBp
#WomenInSTEM
#NASAhistory

Katherine Johnson

NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.
NASA
#WomenInSTEM #otd #NASAhistory @NASA

After a 10-day trip to the Moon and back, Apollo 12 splashed down in the Pacific #OTD in 1969, with Pete Conrad, Dick Gordon, and Al Bean on board. They were successfully recovered and placed in quarantine on board the USS Hornet.

What happened next: https://go.nasa.gov/3gpEXIt
#NASAhistory

50 Years Ago: Apollo 12 Return to Houston

Kelli Mars (NASA)
#otd #NASAhistory

"Hmm, what should our theme be for Expedition 42?"

#OTD in 2014, Expedition 42 launched to the @Space_Station aboard Soyuz TMA-15M. The mission included scientific experiments to find the answer to life, the universe, and everything.

More on the mission: https://go.nasa.gov/3tMvZbp
#NASAhistory

Expedition 42

NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.
NASA
#otd #NASAhistory

An eclipse on the way home 📸

#OTD in 1969, Apollo 12 astronauts captured a photograph of the eclipse of the Sun on their return to Earth. The view was created when the Earth moved directly between the Sun and the Apollo 12 spacecraft.

Read more: https://go.nasa.gov/3XcSpzX
#NASAhistory

Earth Eclipses the Sun - Apollo 12 – Moon: NASA Science

This photograph of the eclipse of the Sun was taken with a 16mm motion picture camera from the Apollo 12 spacecraft during its trans-Earth journey home from the Moon.
Moon: NASA Science
#otd #NASAhistory

As #Orion makes its closest lunar approach today, 53 years ago the Apollo 12 astronauts were in lunar orbit preparing to head back home! The Yankee Clipper command module performed a trans-Earth injection, leaving lunar orbit #OTD at 3:49 pm ET.

More https://go.nasa.gov/3EhV8Q5
#NASAhistory

50 Years Ago: Apollo 12 – The Journey Home

Kelli Mars (NASA)
#otd #NASAhistory #Orion

#OTD in 1969, Apollo 12 astronauts Pete Conrad and Al Bean walked out to visit the inactive Surveyor 3 spacecraft that had been on the moon since 1967; collecting its TV camera, robotic scoop, and some cables, tubing, and glass for a return to Earth.
#NASAhistory
#otd #NASAhistory

After astronaut Pete Conrad stuck the landing of the Apollo 12 Lunar Module #OTD in 1969, mere feet from Surveyor 3, his 1st word as he became the 3rd person to step on the Moon was "Whoopee!" He was so excited, he accidentally pointed his camera at the Sun, frying its circuits!
#NASAhistory
#otd #NASAhistory

One of those days 😖 #OTD in 2008 during their first EVA of STS-126, Heidemarie Stefanyshyn-Piper and Steve Bowen were working on @Space_Station construction when a grease gun leaked grease into a crew tool bag. While they tried to clean off the grease, the bag drifted away. #NASAhistory
#otd #NASAhistory

On the final mission to NASA's Skylab space station, launched #OTD in 1973, astronaut Bill Pogue (right) carried a flag representing 67 Native American tribes of Oklahoma as a symbol of pride in his Native American heritage. #NativeAmericanHeritageMonth https://go.nasa.gov/3TF2v9F #NASAhistory

William Pogue

NASA brings you images, videos and features from the unique perspective of America's space agency. Get updates on missions, watch NASA TV, read blogs, view the latest discoveries, and more.
NASA
#otd #NativeAmericanHeritageMonth #NASAhistory

We remember pilot Michael J. Adams, who perished #OTD 55 years ago when his X-15 broke apart after flying above an altitude of 50 miles. His was the only fatality of the X-15 program. Adams was posthumously awarded Astronaut Wings. Read more about Adams: https://go.nasa.gov/3E59Qd3 #NASAhistory

X-15 - Biography

go.nasa.gov
#otd #NASAhistory

Success! #OTD 56 years ago, Gemini XII splashed down into the Atlantic Ocean 4 days after it had been launched into space, with astronauts Jim Lovell and Buzz Aldrin onboard! Postflight medical examination determined both astronauts were in good shape. 🧑🚀🧑🚀 #NASAhistory
#otd #NASAhistory

These women computers at the Muroc Flight Test Unit (now @NASAArmstrong) took advantage of a rare snowy day in California #OTD in 1949. ☃️ Their work: doing laborious calculations from long strips of data recorded by onboard aircraft instruments. @WomenNASA #AviationHistoryMonth #NASAhistory
#otd #NASAhistory #AviationHistoryMonth

An electrifying launch to the Moon ⚡ Within the 1st minute after its launch at 11:22 am #OTD in 1969, Apollo 12 was hit by lightning twice, knocking out many of the craft's electrical systems. Find out how mission control and the crew saved the mission: https://go.nasa.gov/3UFwC1K #NASAhistory http://nitter.net/NASAhistory/status/1592190623590846465#m

50 Years Ago: Return to the Moon

Kelli Mars (NASA)
#otd #NASAhistory

Mariner 9 successfully entered Mars orbit #OTD in 1971, beating the Soviet Mars 2 spacecraft which had an 11-day head start, to become the first spacecraft to orbit another planet! Taking over 7,000 pictures, Mariner 9 mapped 85% of Mars's surface. More: https://go.nasa.gov/3zZ4zTe #NASAhistory http://nitter.net/NASAhistory/status/1591838316030087173#m

In Depth | Mariner 09 – NASA Solar System Exploration

NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
NASA Solar System Exploration
#otd #NASAhistory

Gemini ✅ Next up, Apollo At 3:46 PM #OTD in 1966, the last mission of the ♊ Program, Gemini XII, launched from Cape Canaveral! Jim Lovell and Buzz Aldrin successfully docked with the Agena target vehicle and Aldrin performed 3 spacewalks. Learn more: https://go.nasa.gov/3TsDAq3 #NASAhistory http://nitter.net/NASAhistory/status/1591170403048849423#m

55 Years Ago: Gemini XII Closes Out a Successful Program

The primary objectives of Project Gemini included proving the techniques required for the Apollo Program to fulfill President John F. Kennedy’s goal of landing a man on the Moon and returning him safely to Earth before the end of the 1960s.
Kelli Mars (NASA)
#otd #NASAhistory

Lifting off at 10:10am #OTD in 1981, Space Shuttle Columbia made its second trip to space for STS-2 with astronauts Joe Engle and Richard Truly on board. It was also Truly's birthday! What better way to celebrate than making your first trip to space. #HappyBirthday Richard Truly! #NASAhistory http://nitter.net/NASAhistory/status/1591448238686670848#m
#otd #NASAhistory #happybirthday

Voyager 1's Saturn #photography: 💯 @NASAVoyager 1 flew by Saturn #OTD in 1980, discovering 3 moons (Atlas, Prometheus & Pandora) and taking this shot as it sped by on its way out of our solar system. Learn more about Voyager's rendezvous with Saturn: https://go.nasa.gov/3UEm8jP #NASAhistory http://nitter.net/NASAhistory/status/1591475916806721538#m

Voyager - Saturn Approach

go.nasa.gov
#Photography #otd #NASAhistory

Loss of contact with the @NASAMars Phoenix lander was reported #OTD in 2008 after its successful 157 sols gathering data near Mars's north pole. Like its namesake, this craft rose from the ashes of the Mars Surveyor lander and Mars Polar Lander missions: https://go.nasa.gov/3DRKcbD #NASAhistory http://nitter.net/NASAhistory/status/1590788890281054246#m

15 Years Ago: Phoenix Mars Lander Launches to the Red Planet

Mars has long fascinated us as a place possibly once hospitable to life. The early robotic missions of the 1960s relayed images of a Moon-like cratered terrain with a forbiddingly cold and thin atmosphere of carbon dioxide.
Kelli Mars (NASA)
#otd #NASAhistory

A near miss! 🆘 #OTD in 1962, research pilot Jack McKay made a crash landing of the X-15 #2 aircraft after an engine failure. McKay sustained injuries but eventually recovered and returned to flying and the craft was repaired and returned to service: https://go.nasa.gov/3UfP41l #NASAhistory http://nitter.net/NASAhistory/status/1590388755634036738#m

X-15 #2 Crash Landing

NASA research pilot Jack McKay was injured in a crash landing of the X-15 #2 on November 9, 1962.
NASA
#otd #NASAhistory

Defective satellites now 25% off! #OTD in 1984, STS-51A launched on a mission to show that the Shuttle orbiters could be used to retrieve malfunctioning satellites in orbit and return them to Earth. 2 satellites were brought back and refurbished. More: https://go.nasa.gov/3heifTx #NASAhistory http://nitter.net/NASAhistory/status/1590026371216322561#m

35 Years Ago: STS-51A – “The Ace Repo Company”

Kelli Mars (NASA)
#otd #NASAhistory

#OTD in 2014, @nasa announced that data from the Cosmic Infrared Background Experiment (CIBER) showed that the dark space between galaxies is brighter than we once thought! Learn about the potential source of the surplus infrared light here: https://go.nasa.gov/3E2q5cb #NASAhistory http://nitter.net/NASAhistory/status/1589339338747297795#m

NASA Rocket Experiment Finds the Universe Brighter Than We Thought

A NASA sounding rocket experiment has detected a surprising surplus of infrared light in the dark space between galaxies, a diffuse cosmic glow as bright as all known galaxies combined.
NASA
#otd #NASAhistory @NASA

Galileo's Farewell Tour 👋 #OTD in 2002, the Galileo spacecraft flew by Jupiter's moon Amalthea marking the probe's last moon flyby. What it discovered about the red, irregularly-shaped moon was a surprise: Amalthea is a pile of icy rubble! Read more: https://go.nasa.gov/3fk3BJW #NASAhistory http://nitter.net/NASAhistory/status/1588984501803384833#m

Icy Jupiter Moon Throws a Curve Ball at Formation Theories

Scientists studying data from NASA's Galileo spacecraft have found that Jupiter's moon Amalthea is a pile of icy rubble less dense than water.
NASA Jet Propulsion Laboratory (JPL)
#otd #NASAhistory

Mariner 9 successfully entered Mars orbit #OTD in 1971, beating the Soviet Mars 2 spacecraft which had an 11-day head start, to become the first spacecraft to orbit another planet! Taking over 7,000 pictures, Mariner 9 mapped 85% of Mars's surface. More: https://go.nasa.gov/3zZ4zTe #NASAhistory https://nitter.net/NASAhistory/status/1591838316030087173#m

In Depth | Mariner 09 – NASA Solar System Exploration

NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
NASA Solar System Exploration
#otd #NASAhistory

A near miss! 🆘 #OTD in 1962, research pilot Jack McKay made a crash landing of the X-15 #2 aircraft after an engine failure. McKay sustained injuries but eventually recovered and returned to flying and the craft was repaired and returned to service: https://go.nasa.gov/3UfP41l #NASAhistory https://nitter.net/NASAhistory/status/1590388755634036738#m

X-15 #2 Crash Landing

NASA research pilot Jack McKay was injured in a crash landing of the X-15 #2 on November 9, 1962.
NASA
#otd #NASAhistory

Defective satellites now 25% off! #OTD in 1984, STS-51A launched on a mission to show that the Shuttle orbiters could be used to retrieve malfunctioning satellites in orbit and return them to Earth. 2 satellites were brought back and refurbished. More: https://go.nasa.gov/3heifTx #NASAhistory https://nitter.net/NASAhistory/status/1590026371216322561#m

35 Years Ago: STS-51A – “The Ace Repo Company”

Kelli Mars (NASA)
#otd #NASAhistory

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