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Today we remember the mission that piqued our curiosities & drove our perseverance to pursue further exploration of… https://t.co/3T2kKPslqiWishing everyone in the USA a Happy 4th of July from the @Space_Station. 🇺🇸 https://t.co/6tB1wi2K3w
Retweeted by NASAFrom the @Space_Station, @NASA_Astronauts commemorate the #FourthofJuly. With them is a U.S. flag that flew on the… https://t.co/Djw6wzlKZnA full Moon lights up the night this Independence Day. Called the Buck, Hay, or Thunder⛈️ Moon, this full Moon is… https://t.co/0TLj7BtsFO
Retweeted by NASADuring our spacewalk from @Space_Station on Wednesday, we set the camera to automatically take shots every few seco… https://t.co/r32mTdMn1A
Retweeted by NASAThis week at NASA: 🔋 A mighty powerful spacewalk outside the @Space_Station 🚀 A look at the next crew launching to… https://t.co/3zFFxyJDFX🌕 Buck Moon, Thunder Moon, Guru Moon This weekend’s celestial event goes by many names, but one thing is for sure… https://t.co/Yu5SZHBJJG

It’s episode 3 of our Mars Monthly series on first Fridays! NASA has sent many robotic missions to the Red Planet,… https://t.co/MfCZOs1p4k
Retweeted by NASACould you imagine being the sharpest galaxy in the cosmos? ✨✨ That honor currently goes to the Knife Edge galaxy… https://t.co/2LGnB720N6🌎 How did life emerge on Earth? 🔬 Does it exist beyond our planet? 🔭 How do we find it? These are just some of t… https://t.co/8usrV85ORSKnow someone who is made of star-stuff? ✨ Encourage them to apply for an internship this fall! @NASAInterns cover… https://t.co/ytR5iUCApj🔋 Battery swaps on the @Space_Station 🇺🇸 @NASA_Astronauts recognize the #FourthOfJuly 👨‍🚀 @Astro_SEAL commands dur… https://t.co/w8odiAxplHThe Bahamas, absolutely one of the most beautiful sights on Earth from space. https://t.co/z9cLMRFNMB
Retweeted by NASA

Crew Dragon docked to the @Space_Station https://t.co/JG5e2XjZ4n
Retweeted by NASAOur @SOFIAtelescope looked into the closest stellar nursery to Earth, the Orion Nebula. It observed an enormous bub… https://t.co/5upL0dtnJsStructural tests are now complete on an identical test version of @NASA_Orion, our spacecraft that will take astron… https://t.co/iuK6TqMLFo#ICYMI work is underway to repaint the @NASA logo on our iconic Vehicle Assembly Building. Every rocket that has t… https://t.co/Op71nfjZNh
Retweeted by NASAThe structural test campaign for @NASA's Space Launch System rocket is complete, ensuring the structural design of… https://t.co/6AJ2Azab9J
Retweeted by NASA#DidYouKnow much of our @NASAEarth data is free to the public? Organizations around the globe are using it in susta… https://t.co/JqwehCRROBWhat's up in the night sky this July? 🔭 🌕 A full Moon on July 5 🔭 Saturn, Jupiter, and their moons closest togethe… https://t.co/mRoljebXBeJust over a month ago, @AstroBehnken & @Astro_Doug launched to the @Space_Station aboard @SpaceX's Crew Dragon. Th… https://t.co/VYciUNVgv5
Retweeted by NASAIgniting from a June 5 lightning strike, the Bighorn Fire in Arizona has spread to more than 114,00 acres. As effor… https://t.co/yfHAWf1gAz

How are we preparing our #Artemis astronauts to explore the surface of the Moon? Beyond safe spacecraft and spacesu… https://t.co/wJdHiz2KjOStrong winds in the Sahara desert have swept up millions of tons of dust in the Atlantic Ocean. The plume is so mas… https://t.co/rhkIsfkW7M
Retweeted by NASA"I think my favorite memory was on the spacewalk. I don't think there's anything that compares." Astronaut Kate Rub… https://t.co/pIWedRMKtx"It's just incredible that we've had a @Space_Station with continuous human presence for 20 years... it's one of th… https://t.co/wGWCNpGFHa"We all wear masks. We take social distancing measures... so the kinds of things we're advising people to do in the… https://t.co/WaWgb1hoKa"Some of the things that we're really interested in with the DNA sequencing this flight is looking at the microbiom… https://t.co/4V9W0kVLSsAstronaut Kate Rubins has a background in molecular biology and cancer biology and has spent 115 days in space on b… https://t.co/kE32pNUzmoLIVE: Astronaut Kate Rubins & her @roscosmos cosmonaut crewmates discuss their upcoming Oct. 14 launch to the… https://t.co/HijIkpyFgmComing up: At 4pm ET, Kate Rubins of @NASA_Astronauts will preview her upcoming mission to the @Space_Station, alon… https://t.co/1k1NNf5JvI @Archie_slays @AstroBehnken @Astro_SEAL @Space_Station The crew will install a new external wireless communications… https://t.co/XpjokGuNnT @airandspace We approve.Batteries included. 🔋🔧 @AstroBehnken and @Astro_SEAL concluded today’s spacewalk at 1:14pm ET, after swapping… https://t.co/PAbVhLHn9JToday at 1:14pm ET @Astro_SEAL and @AstroBehnken concluded the 229th spacewalk in support of the @Space_Station ass… https://t.co/yCPhztxWl3As we approach orbital nighttime, @Astro_SEAL and @AstroBehnken are wrapping up a successful spacewalk, completing… https://t.co/jEX2sLPXac @Archie_slays @Astro_SEAL @AstroBehnken Removal of the device was not a priority for today. It was a "nice-to-have,… https://t.co/GqMBXYpLLmJasmin Moghbeli (@AstroJaws) is the Mission Control voice guiding the astronauts on today's spacewalk. A @USNavy te… https://t.co/b296Ko6eQ4.@Astro_SEAL has completed routing a power cable, but removing a stubborn H-fixture is no longer on @AstroBehnken’s… https://t.co/raPYJWoBrh @VealChristine @Astro_SEAL @AstroBehnken @Space_Station That's @AstroJaws! She is part of the 2017 class of… https://t.co/NBOkH86WTrWith today's battery swaps now complete, @AstroBehnken is removing a device called an “H-fixture," located at the b… https://t.co/ThvrYk7ZC9Today's spacewalk is moving along smoothly for @AstroBehnken and @Astro_SEAL! After getting 2 hours ahead of thei… https://t.co/KK1WRVoY6V
Retweeted by NASA @smorrell Thanks for watching with us, Sam! 💫 @dawn_broadhurst @Astro_SEAL @AstroBehnken @Space_Station Thank you for watching with us, Dawn! Can you believe it'… https://t.co/wPJRL56SA8.@Astro_SEAL & @AstroBehnken successfully swapped out an old nickel-hydrogen battery outside @Space_Station. 🔋 Next… https://t.co/EwuqzoQ9Nq✔️ The last of a set of new lithium-ion batteries is installed by @Astro_SEAL & @AstroBehnken. These batteries stor… https://t.co/rePeVp4ZNqWatching today’s spacewalk? Here are some terms to know as two @NASA_Astronauts work outside @Space_Station: Ingr… https://t.co/DJlGnJ9KqLThe two @NASA_Astronauts working outside the @Space_Station today are veteran spacewalkers — it’s the 8th spacewalk… https://t.co/ajAn7cnCwLAn orbital sunrise at the start of today’s spacewalk ☀️ The @Space_Station makes 16 orbits of Earth per day, seeing… https://t.co/atU1aF6Tb9Today’s spacewalk is underway! 👨‍🚀👨‍🚀 At 7:13am ET, @Astro_SEAL and @AstroBehnken set their spacesuits to battery p… https://t.co/hYjl6DbpTfHere's a look at the worksite for the first half of today's spacewalk, at the far end of the @Space_Station's starb… https://t.co/ZnDC0UZ3SJLIVE SPACEWALK: @Astro_SEAL & @AstroBehnken are suited up and running through final procedures before they venture… https://t.co/uiitZGcc4zToday, @Astro_SEAL and @AstroBehnken exit the @Space_Station’s Quest airlock for the second spacewalk of their miss… https://t.co/SSodxpAfZ1.@Astro_Seal and @AstroBehnken exit the station Wednesday at 7:35am ET for another spacewalk. @NASA TV goes live at… https://t.co/SoafpraWN4
Retweeted by NASADevastation from the #BighornFire burning north of Tucson, Arizona as seen from space by the ASTER instrument on th… https://t.co/6hU5ydPdxL
Retweeted by NASA“The weirdness factor is high,” says an astronomer about the bizarre environment of KELT-9 b, an ultrahot world loc… https://t.co/fxXRU6u6nUSmall businesses develop @NASA_Technology for: 👨🏽‍🚀 Human exploration 🚀 #Artemis missions 🌎 Life on Earth An… https://t.co/0X64qcGQQy

A discovery about the solar wind has implications for future Moon missions Solar wind can damage objects in space… https://t.co/kXNSmQ5dIC
Retweeted by NASA @LesterNetty https://t.co/hGrTCiTbc0NEWS: Joel Montalbano is named as manager of the @Space_Station program. For almost 20 years, humans have lived and… https://t.co/hRkIYM5iuAWhat does it take to build, test, and launch a Mars rover? The @NASAPersevere team has been working for years to g… https://t.co/UjrPlv9pWIDue to processing delays in preparations to unite me with the rocket, my first launch attempt will be no earlier th… https://t.co/838PmaSXBf
Retweeted by NASA.@NASAglenn + @UHhospitals teamed up to develop & test new ways for health care professionals to sanitize masks on-… https://t.co/zfYbSev76ARocket boosters for our #Artemis I mission are being readied for launch at @NASAKennedy. 🚀 Together with… https://t.co/mHzL835gU0 @Smartteaser192 @UN Yes, close encounters with planets can dramatically change the orbits of smaller comets and ast… https://t.co/gxB7y1MIk4 @Owens_Juninho @UN @OSIRISREx Studying asteroids like Bennu help scientists understand how planets formed and how l… https://t.co/LHnTkMtqby @Owens_Juninho @UN Bennu only poses a very small (0.037%) total chance of impact in the future, and the @OSIRISREx… https://t.co/1NKfGnSgri @sadhanathiru_ @UN Asteroid mining may be possible in the future. Some asteroids are thought to contain organic ele… https://t.co/S8y8lIiNw4 @AndarKiAwaaz @UN A second interstellar object, 2I/Borisov, was discovered in 2019. There are calculations suggesti… https://t.co/QrRO4dIynB @QueenEmmaHawaii @UN Objects are classified by international agreement, based on orbital and physical characteristi… https://t.co/qZ7oOHkhGe @Luco65 @AsteroidWatch @UN DART doesn’t detect asteroids. However, we're formulating the Near-Earth Object (NEO) Su… https://t.co/i1cKlotqp9 @YuLin_Langtso @UN To deflect larger asteroids, more massive impactors would be needed, but these, as well as other… https://t.co/YHpfQz6390 @YuLin_Langtso @UN Yes, and we'll demonstrate this, on a small scale, with the DART mission to change the orbit of… https://t.co/tPjc36HWCG @Quantum59026601 @UN Of the near-Earth asteroids larger than 140 meters in size, there are about ⅔ of the predicted… https://t.co/GvTlOPo3s9 @rohankumar___ @UN Commercial mining is not quite viable yet, but may be in the future. Yes, a careful economic app… https://t.co/T7KUff2K1f @goodendofkings @UN The key is the minimum time, ideally years to decades, to give plenty of time to launch an aste… https://t.co/op6DgJwUfK @MackerelPhones @UN Some technologies already exist that can deflect an asteroid from colliding with Earth. Whether… https://t.co/9TtAxSTDVe @NicoleMHoneycut @UN The more measurements of an asteroids position we have, the better we can predict its future p… https://t.co/RHa6qLGgRh @elmurpheytv @UN All asteroids travel faster than a speeding bullet! The slowest ones may travel at only 4 or 5 mil… https://t.co/8cJvEg7pHv @Ascendor @AsteroidWatch @UN The largest known object in the Main Asteroid Belt is the dwarf planet Ceres, which is… https://t.co/yvXCTjOwmP @AntiSquid1 @UN The key to planetary defense is finding them first. We have the technology to find any hazardous as… https://t.co/Y6OdP3euM3 @EyuChyu @AsteroidWatch @UN The key is the minimum time, ideally years to decades, to give plenty of time to launch… https://t.co/V11VKzE6R6 @Iwillnotfall @UN We're working to discover and track near-Earth asteroids so that there would be enough time to pr… https://t.co/BJr6CLfLi1 @alinaillmeeer1 @UN Asteroids tend to spend most of their time millions of miles from Earth. Even during brief clos… https://t.co/jT8S2fmfZP @_vedantpatel @UN Meteors are the flashes we see in the sky made from incoming objects. Pieces of asteroids that ma… https://t.co/AmclRut49p @Jaspartapsingh3 @UN Apophis will safely pass Earth on April 13, 2029 at about one tenth the distance to the Moon,… https://t.co/gEmb8CrrUz @spencergoldade @UN Deflecting an asteroid will no longer be sci-fi once our Double Asteroid Redirection Test (DART… https://t.co/QI2iOXEyS8 @NotSolhi @UN Near-Earth asteroids come within 30 million miles of Earth’s orbit and travel at roughly 30 km/s in t… https://t.co/uhv165RfLq @nitin_quiry @UN Every day is #AsteroidDay for our team! Asteroid search programs discover objects every single day, including today. @Empath_Witch_RN @UN Unlikely, most asteroids are orbitally bound within the solar system. #AsteroidDay @Prakash251998 @UN This depends on the exact size of the asteroid and the amount of warning time we have, which mak… https://t.co/5eX0uIkqyY @caseywhalen57 @UN Yes, some asteroids contain iron, nickel and possibly other metals including some platinum group metals. #AsteroidDay @rohankumar___ @UN We're developing the Double Asteroid Redirection Test (DART) mission which will test the kinetic… https://t.co/VNB6tAjQWM @rohankumar___ @UN The bigger asteroids are, the fewer there are and the easier they are to find. We're watching th… https://t.co/c0LBiyQh0MWho are our #AsteroidDay #PlanetaryDefense experts? Lindley Johnson, Planetary Defense Officer & Program Executive… https://t.co/gOZLaw04I9Today is international #AsteroidDay☄️! To mark this @UN day, experts from our #PlanetaryDefense Coordination Office… https://t.co/JRjCcfPMhbWhen an asteroid or comet comes close to Earth we call it a near-Earth object. But how close is close? How do we ke… https://t.co/iOaUMOyYZ9

Our #Starliner parachutes and team performed with flying colors during a recent test. They showed that even under d… https://t.co/nM42x8VfJO
Retweeted by NASANEWS: We’re finalizing a contract with @NorthropGrumman to build solid rocket boosters for as many as six more… https://t.co/19dKN2XDb7When we see the colors of the universe for what they are, we can see what makes us all unique and talented. 💜 Explo… https://t.co/akPixGQIHZ