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We’re getting closer to the Nov. 21 launch of the U.S.-European Sentinel-6 Michael Freilich satellite, that will monitor sea levels worldwide! Join the global virtual @NASASocial event and follow the journey of #SeeingTheSeas: https://fb.me/e/1B5BQg5sH pic.twitter.com/fwVf1fDEcp

A microphone aboard our @NASAPersevere Mars rover captured sounds of the spacecraft as it hurtled through interplanetary space. While you won't hear a beat drop, the hum is a good sign that the rover is healthy: https://go.nasa.gov/3fdsliL  #CountdownToMarspic.twitter.com/GrbppXPKnw

One step closer to the Moon @NASAStennis engineers have successfully repaired a valve inside the core stage @NASA_SLS rocket, and are now back on track for the #Artemis I Green Run Hot Fire test, targeted for Dec. 21: https://go.nasa.gov/2Kcwbgm pic.twitter.com/v6iYYvHB7Q

Pencil us in! At 1pm ET Friday, Nov. 20, we will be discussing science investigations & a new privately funded airlock launching on @SpaceX’s 21st commercial cargo resupply mission to the @Space_Station. More details: https://www.nasa.gov/press-release/nasa-highlights-science-new-airlock-on-next-space-station-resupply-mission … #Dragonpic.twitter.com/3HJuHZewl4

Wondering what’s going on? Check out this animation showing today's spacewalk activities to get the station ready for a new Russian module. pic.twitter.com/kXWI5uUuxX

Here’s Sergey Kud-Sverchkov leaving the @Space_Station. Soon, Sergey Ryzhikov will join him for their 1st #spacewalk, targeted to last ~5.5 hours. Note: Ryzhikov - suit with red stripes Kud-Sverchkov - suit with blue stripes Watch LIVE coverage: https://www.nasa.gov/nasalive pic.twitter.com/4BZ7D1luyr

LIVE NOW: Russian cosmonauts Sergey Ryzhikov & Sergey Kud-Sverchkov are getting ready to work in the vacuum of space for a ~5.5 hour spacewalk. At 9:39am ET, they will venture outside the @Space_Station to perform maintenance & prep work. Watch: https://go.nasa.gov/3nBGYiM pic.twitter.com/BYyfRciI7H

We’re 30 minutes away from the start of LIVE #spacewalk coverage. Tune in to cheer on cosmonauts Sergey Ryzhikov & Sergey Kud-Sverchkov who will head outside the @Space_Station at 9:30am ET to conduct maintenance on the orbital lab. Watch: https://go.nasa.gov/3nBfJVm pic.twitter.com/HXMJwDrpCP

How about a side of #spacewalk with your breakfast? Tomorrow at 9:30am ET, two Russian cosmonauts will venture outside the @Space_Station for ~5.5 hours to work in the vacuum of space. Coverage starts at 8:30am ET — details on how to watch LIVE: https://go.nasa.gov/38Qaz3E pic.twitter.com/vAglrwFr0m

STEVE Thanks to aurora-chasing citizen scientists from around the globe, a new discovery has been made about the mysterious phenomenon STEVE — a glowing ribbon of vibrant light in our night sky we can't stop gawking at: https://go.nasa.gov/3pGlBym pic.twitter.com/GbgLvY52zh

The Sentinel-6 Michael Freilich satellite, a U.S-European partnership, is set for launch Sat., Nov. 21 on a mission to collect the most accurate data yet on global sea level. Five things you should know: http://go.nasa.gov/38TqY7A  #SeeingTheSeaspic.twitter.com/hfalR2vWxb

Hearts, Airlocks, and Asteroids: The 21st @SpaceX cargo resupply mission, set to launch from @NASAKennedy, will carry a variety of critical @ISS_Research & technology to the @Space_Station. Check out the highlights of the payloads aboard Dragon: https://go.nasa.gov/3pxwsed pic.twitter.com/pFVFZsGuav