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Meet Anne McClain - an engineer, @USArmy Soldier and one of the @NASAastronauts living and working aboard our orbiting laboratory. In this photo taken from 250 miles above our home planet, Anne is performing spacesuit maintenance in preparation for her first-ever spacewalk. She says, “Each suit is like a small spacecraft with its own power, air and water systems which work together to maintain the precise atmosphere in which humans can live, while also protecting us from the harsh conditions of space. Pretty phenomenal design!” For even more stories about women in engineering, check out our #Instagram story! #nasa #introduceagirltoengineeringday #space #astronaut #science #spacesuit #spaceship #atmosphere #dreamjob #engineering

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How's the weather? Did you have a #snowday today? 🌨 Astronauts on board the International Space Station ( @ISS) captured this view of the Great Lakes region in mid-February, with clouds and frozen terrain as far as the eye could see. Image Credit: NASA #greatlakes #spacestation #lakemichigan #lakesuperior #nasa #earth #snow #winter #spaceviews #imageoftheday #picoftheday #frozen #ice #cold

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Our @NASAHubble Space Telescope captured the smoking gun of a newborn star! ⭐️ Stars are born in dark clouds of gas and dust. But star formation is an energetic process, and newly-formed stars can send out a brilliant display of lights called Herbig-Haro objects. These objects form as jets of hot gas spewed by the newborn star collide with the surrounding matter at high speeds. In this image, these five objects can be seen at the top center as bright blue streaks traveling away from the star that created them at 150,000 miles per hour, towards the upper left. Since Hubble's launch and deployment in April 1990, our view of the universe and our place within it has never been the same. Credit: @EuropeanSpaceAgency/Hubble/NASA & K. Stapelfeldt #nasa #space #telescope #star #science #solarsystem #lights #astronomy #picoftheday

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Behold, as wild as the worms crossing Arrakis, the erosive Martian surface reveals snaking sand dunes across the desert. Captured within the same wavelengths as a human eye, the HiRISE camera on the Mars Reconnaissance Orbiter unveils the geological layers of history written in the rocky sediment. HiRISE can spot objects as small as Alia Atreides, which helps scientists study the surface structure of the Red Planet in a way that we couldn’t before. Credit: NASA/JPL-Caltech/University of Arizona #nasa #space #redplanet #mars #redplanet #science #solarsystem #picoftheday

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Like synapses firing in a brain, this nighttime image was captured by crew members aboard the International Space Station ( @ISS). Taken 258 miles above the English Channel, we see the lights of the northern European cities clockwise from top right: London, Amsterdam, The Hague, Rotterdam, Antwerp, Brussels and other surrounding cities. Credit: NASA #nasa #earth #space #nighttime #spacestation #earthviews #homeplanet #picoftheday #view #views #orbit #iss #science #InternationalSpaceStation #home

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Even from three billion miles away, Pluto still knows how to be romantic. On Jul. 13, 2015, the New Horizons spacecraft sent us this love note of one of Pluto's most dominant features. The “heart,” estimated to be 1,000 miles (1,600 kilometers) across at its widest point, rests just above the equator. (The angle of view displays mostly the northern hemisphere.) The heart’s diameter is about the same distance as from Denver to Chicago, in America’s heartland. New Horizons traveled nearly a decade to receive its summer valentine, launching on Jan. 19, 2006 — and is still collecting important data for us. On New Year’s Day 2019, New Horizons flew by the most distant object ever visited by a spacecraft: Ultima Thule. Tag someone you want to pass this Pluto Valentine onto! ❤️ Credits: NASA/APL/SwRI #nasa #space #pluto #science #explore #spacecraft #newhorizons #discovery #heart #valentinesday #valentines #happyvday #solarsystem

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It’s so hard to say goodbye! 👋 Designed to last just 90 Martian days and travel 1,100 yards, our Mars Opportunity rover explored the surface of the Red Planet and broke records during its 15-year mission. It vastly surpassed all expectations in its endurance, scientific value and longevity. In addition to exceeding its life expectancy by 60 times, the rover traveled more than 28 miles by the time it reached its most appropriate final resting spot on Mars – Perseverance Valley. Today, we bid farewell to the rover that stopped communicating with Earth when a severe Mars-wide dust storm blanketed its location in June 2018. In this image from 2010, Opportunity used its navigation camera for this northward view of tracks the rover left on a drive from one energy-favorable position on a sand ripple to another. The tracks that Opportunity left on the Martian soil will pave the way for future robotic and human exploration of the Red Planet. Credit: NASA/ @nasajpl #nasa #space #mars #redplanet #thanksoppy #opportunityrover #planets #solarsystem

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Who has the range? Astronauts, that’s who! In this view, astronauts captured the cloud-covered Pacific coast of the South American nation of Chile in contrast with the Andes Mountain range and cloud formations extending over Argentina. Each day, the International Space Station ( @ISS) orbits our home planet as the humans living and working aboard our orbiting labporatory conduct important science and research. Their work will not only benefit life here on Earth, but will help us venture deeper into space than ever before. Image Credit: NASA #nasa #earth #space #spacestation #astronaut #iss #planet #mountains #workflow #views #argentina #southamerica #chile #clouds #andesmountains #beautiful #picoftheday

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Sand dunes...on Mars! 🔴 With an elongated crescent form, these "barchan dunes" are located near Nili Patera and are formed by the continuous action of the wind blowing in the same direction. The orientation of these dunes tells us that the prevailing wind blows from right to left (east to west). The wind is continuously moving sand grains up the longer dune slope, towards the top. The small ripples on the slope are caused by this movement. When the sand grains arrive at the top, they fall down the steeper and shorter slope, which as a consequence, has no ripples. It is this gradual sand movement that causes the dunes to slowly move over time. Image Credit: NASA/JPL-Caltech/University of Arizona #mars #geology #texture #landforms #nasa #picoftheday #redplanet #solarsystem #astronomy #science #space

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The @NASAHubble Space Telescope doesn’t usually get much assistance from its celestial subjects — but to take this image, the telescope opted for teamwork and made good use of a fascinating cosmic phenomenon known as gravitational lensing. This effect works when the gravitational influence of a massive object, such as the galaxy cluster in this image, is so colossal that it warps the surrounding space, causing nearby light to travel along distorted paths. The massive object is effectively turned into a giant magnifying glass, bending and amplifying the light traveling from more distant galaxies lying behind it. In this particular case, astronomers used the foreground galaxy cluster to study star formation in galaxies lying so far away that their light has taken up to 11.5 billion years to reach Earth. These galaxies formed at a very early stage in the lifetime of the universe, giving astronomers a rare glimpse into the beginning of the cosmos. Despite the distance of these galaxies, the lensing effects allowed astronomers to work out the sizes, luminosities, star formation rates and stellar populations of individual star-forming clumps within these galaxies — quite an achievement! Image credit: @EuropeanSpaceAgency/Hubble & NASA #nasa #space #hubble #spothubble #spacetelescope #telescope #galaxy #cluster #gravity #lensing #beautiful #universe #solarsystem #science #bright #distortion #phenomenon

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Each year, we hold a Day of Remembrance. Today, #NASARemembers the crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other colleagues who have lost their lives advancing the frontiers of space exploration. This photo of sunrise was captured by the crew of Space Shuttle Columbia on Jan. 22, 2003 from the crew cabin during Flight Day 7. After completing a successful 16-day mission, Columbia and her crew were lost during reentry over East Texas at about 9 a.m. EST, 16 minutes before the scheduled touchdown. Join us in honoring the women and men who gave their lives in the pursuit of space exploration. Image Credit: NASA #nasa #earth #sunrise #SpaceShuttle #SpaceShuttleColumbia #sun #space #picoftheday #science #HistoricMissions #DayofRemembrance

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When four giant galaxy clusters collide, the aftermath reveals brilliant magenta swirls of hot gas from optical and radio data. At a distance of about 3.5 billion light years, this system is dubbed "Pandora's Cluster" by astronomers as because all of the different structures found within it. This composite view contains X-ray data from our Chandra X-Ray Observatory ( @NASAChandraXRay) showing hot gas in blue, optical data from Subaru and the Very Large Telescope in red, green and blue, and radio data from the NSF's Karl G. Jansky Very Large Array in red. Image credit: X-ray: NASA/CXC/ITA/INAF/J.Merten et al, Lensing: NASA/STScI, NAOJ/Subaru, ESO/VLT; Optical: NASA/STScI/R.Dupke #nasa #universe #data #galaxy #gas #stars #xray #space #picoftheday #science #astronomy #magenta

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