RT @WomenNASA
Today, @NASA_Astronauts and best friends @Astro_Christina and @Astro_Jessica embarked on the very first outside the @Space_Station to swap out a failed power controller! Learn more about the astronauts who made history today: nasa.tumblr.com/post/188432109 

RT @Dr_ThomasZ
Final call! It’s the last day to sign up for the universe’s largest, international, . Register to be part of @SpaceApps and help build innovative solutions to real-world challenges we face on Earth, using @nasa open data: 2019.spaceappschallenge.org/au 

For our twin Van Allen Probes , seven years in the hazardous radiation belts around our home planet led to major discoveries about our near-Earth environment. In honor of the @NASASun mission's end today, here are 10 highlights from its findings: nasa.gov/feature/goddard/2019/ 

Live Teleconference: @Dr_ThomasZ and officials discuss recommendations by the Planetary Protection Independent Review Board, which examined agency guidelines to suggest changes needed to address the changing reality of space exploration. Listen: nasa.gov/live?utm_source=TWITT 

RT @Space_Station
.@Astro_Christina and @Astro_Jessica completed the first today at 2:55pm ET successfully replacing a failed power controller with a spare that is now activated and charging a new lithium-ion battery. Read more... blogs.nasa.gov/spacestation/20 

RT @AstroAnnimal
All woman commentators during the from @Space_Station Mission Control in Houston, TX!

RT @NASA_Johnson
What's going on inside Mission Control during the ? Flight controllers are monitoring various systems built into @Astro_Christina & @Astro_Jessica's spacesuits, like oxygen & water, while relaying tasks to the spacewalkers & controlling systems on the station.

RT @NASASTEM
Watching @Astro_Christina & @Astro_Jessica perform the 1st is giving us a . We're inspired!

Are your students inspired, too? Send us a picture of them cheering for today's spacewalkers & it could be featured on NASA TV. /nasatv/ 

RT @AstroDrewMorgan
So proud of my astrosisters @Astro_Christina and @Astro_Jessica! We’ve been training together since our selection in 2013, and now they’re out on a history-making spacewalk!

Our is happening today!

Tune in to nasa.gov/live  to watch @Astro_Christina & @Astro_Jessica embark on their venture to replace a failed power controller:
6:30am ET - Coverage begins
7:50am ET - Our @NASA_Astronauts exit the @Space_Station

You’re invited to watch history unfold! Tomorrow marks the first as @Astro_Christina & @Astro_Jessica venture into the vacuum of space to replace a failed power controller. Tune in:

Friday, Oct. 18
6:30am ET
nasa.gov/live 

Even though they were designed for a two-year mission, our Van Allen Probes lasted for about seven years in one of the harshest environments in space. As we prepare to bid farewell to the mission, join our experts on @Reddit to ask questions: reddit.com/r/space/comments/dj

LIVE NOW : Hear experts talk about the @ISS_Research and tech demonstrations that will fly on Nov. 2 to the @Space_Station aboard the Cygnus spacecraft: nasa.gov/live 

Astronaut Kate Rubins, the 1st person to sequence DNA in space, will be answering questions during today’s @Tumblr Answer Time. Kate has spent her career studying dangerous pathogens on Earth & advancing science on the @Space_Station! Tune in at 1pm ET : nasa.tumblr.com/tagged/answert 

RT @WomenNASA
“Never be limited by other people’s limited imaginations.”

Happy birthday, Mae Jemison! Dr. Jemison was the first African American woman to travel to space when she served as a mission specialist aboard the Space Shuttle Endeavour. Celebrate:

nasa.gov/image-feature/mae-jem 

RT @NASA_Marshall
This morning, engineers at Redstone Arsenal completed the final hot-fire test for @NASA_Orion's jettison motor! Watch the video and get the full details >> go.nasa.gov/32nSQum 

This week's episode of @NASAJPL's podcast, On a Mission, goes where geology and astronomy meet: asteroid impact craters. Our Moon is covered in craters, but where are the craters on Earth — and what can we learn from them?

Listen and subscribe: nasa.gov/mediacast/jpl/season- 

We're working with @NatlParkService on a project using @NASAEarth data to better understand how sound & outdoor light affect animal species. A goal is to help protect the habitats of wildlife and to preserve the park experience for human visitors. More: nasa.gov/feature/nasa-helps-na 

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Mirrored.Social [BETA]

This Mastodon instance is dedicated to mirroring the social media accounts of interesting/useful people and organizations from elsewhere on the Internet. At least until such time as they create their own accounts on the Mastodon network.

If you control an account that is being mirrored here and would like to make changes to how that's done (or not done), please contact Dave Wood via @davewoodx@mastodon.social.

Like this idea? Help support the costs and development at Patreon.

Currently in Beta status. Please let me know if you see bugs or issues.

Mirrors to Follow:

1Password [NEW]

1Password Status [NEW]

Android [NEW]

AppStore [NEW]

App Store Games [NEW]

Barack Obama

Canada [NEW]

CGP Grey [NEW]

Chris Hadfield [NEW]

CommitStrip [NEW]

Daring Fireball

#dearMoon [NEW]

Dianna Cowern

DuckDuckGo [NEW]

Elon Musk*

GitHub [NEW]

GitHub API [NEW]

GitHub Status [NEW]

Have I Been Pwned [NEW]

Internet of Shit*

iTC Status

Jony Ive Parody*

Keybase [NEW]

Let's Encrypt [NEW]

Linode [NEW]

Merge Conflict [NEW]

Marques Brownlee

NASA

NGINX, Inc. [NEW]

nginx web server [NEW]

php.net [NEW]

Orbital ATK [NEW]

Overcast [NEW]

Realm [NEW]

Relay FM [NEW]

Ryan Reynolds* [NEW]

Edward Snowden* [NEW]

SpaceX

Tesla [NEW]

Tim Cook [NEW]

Visual Studio [NEW]

Visual Studio App Center [NEW]

* Posts flagged as sensitive