Sean Blair

#Scicomm, writing about space for #ESATech, writing other real and made-up stuff for anyone paying

[ESA's Hera mission @ESA_Hera]

🛰️I'm currently speeding my way thru deep space to the Dimorphos🪨asteroid, the only Solar System body whose orbit has been shifted by human action - when NASA's DART spacecraft💥impacted it - to check what happened to it next! See where I am right now: https://t.co/FWLbLzMAU0

[ESA's Hera mission @ESA_Hera]

Everything you wanted to know about asteroids but were afraid to ask... ! Hera Principal Investigator Patrick Michel has a new book out on planetary defence & asteroids - in 🇫🇷 - https://t.co/rXz83mBQ9U

[European Space Agency @esa]

A new chapter in the ESA—JAXA cooperation on planetary defence. 🌍
The agreement signed this week confirms collaboration on #Ramses, our mission to asteroid Apophis ahead of its rare close flyby in 2029. Space safety is a priority.
🔗 https://t.co/ruTrVZHNgl

[ESA's Hera mission @ESA_Hera]

Hera is part of ESA's Space Safety programme, protecting our planet, people & infrastructure from space hazards.

🚨Last call! 🚨On 16 June our Space Safety Industry Day at #ESTEC in 🇳🇱 shares how European industry can partner in our work - come join us! 👉 https://t.co/IDzHrFDqEy

[Mykhaïlo Golub @golub]

Wow

[ESA Technology @ESA_Tech]

Where there’s a wing there’s a way!

Time-lapse of a section of aircraft wing being 3D printed in lightweight plastic. Startup Wren Aerospace – based at @SBICNoordwijk – is developing uncrewed aircraft to perform satellite-like communication or observation functions while hanging in the stratosphere https://t.co/DL07bB9RAG

[European Space Agency @esa]

#ESAhighlights 2025 is out now. 👀

Read our free ESA Highlights magazine, summarising a complete year of space activity in impactful images and in-depth articles. 📅

👇https://t.co/SSOgLGkWiW

[ESA Technology @ESA_Tech]

Check out ESA's 50 milestone achievements during our first half century in our ESA Delivers brochure: https://t.co/S7DIYgQd4S

[ESA Technology @ESA_Tech]

One small step for a European... On this day in history - 20 Oct 1995 - ESA astronaut Thomas Reiter performed the first ESA spacewalk, during his Euromir mission to the Mir space station

[ESA's Hera mission @ESA_Hera]

One year ago #HeraMission was stranded on Earth, its launcher grounded, as a hurricane closed in on its launch site. 12 months later sees it cruising on the far side of the Sun. Learn the story of Hera in space: https://t.co/z3BJdv5P8w

[ESA Technology @ESA_Tech]

Tomorrow’s the day! 🚀

⏰ On Monday 8 September, registration opens for the ESA ESTEC Open Day!

Don’t miss your once-a-year chance to explore space up close – including a special look at the Plato mission, ESA’s upcoming planet-hunting spacecraft 🌌🔭

📅 Open Day: Sunday, 12 October
📍ESA ESTEC, Noordwijk, the Netherlands

📲Stay tuned and follow our partners!
@spacerockslive @Spaceexpo @VisitNoordwijk @nl_campus @SBICNoordwijk @SpacebuzzO

#ESAOpenDay #50YearsOfESA #NLSW25 #NLSpace #NetherlandsSpace #spacefortalent #SpaceRocks #NSO

[ESA Technology @ESA_Tech]

Read all our 50 hallmark achievements to mark ESA's first half century in our ESA Delivers booklet, downloadable here: https://t.co/S7DIYgPFfk

[ESA Technology @ESA_Tech]

Today at #ESTEC in 🇳🇱 we celebrate 30 years of ESA Navigation activities, which resulted in the world's most accurate satellite navigation system, Galileo - one of our 50 hallmark achievements in our 50 year anniversary!

[ESA Technology @ESA_Tech]

An agency is defined by taking action - so what has the European Space Agency been doing during its first 50 years? Find out in our new brochure: https://t.co/S7DIYgPFfk

[ESA Technology @ESA_Tech]

ESA Delivers: discover 50 ways Europe’s space agency changed our world (& the universe!) during the last five decades: https://t.co/S7DIYgPFfk

[ESA's Hera mission @ESA_Hera]

As #HeraMission flew past planet Mars it autonomously locked onto dozens of impact craters and other prominent surface features, tracking them over time, to test the self-driving technology the mission will employ to navigate around its target asteroids https://t.co/wLEfhqxtoU

[ESA's Hera mission @ESA_Hera]

This Wednesday our #HeraMission flies past Mars & its Deimos moon. On Thursday join our star-studded webcast - featuring ESA astronaut @Astro_Alex , SF author @AndyWeirAuthor & a surprise special guest - to see the images the car-sized spacecraft returns to Earth! https://t.co/f0uy4H2PQ6

[Sean Blair @MoonZeroTwo]

The Collection: Season 7 TRAILER | Doctor Who https://t.co/VK3TXWL8vE via @YouTube

[ESA Technology @ESA_Tech]

Seed-sized space chip🤏The task of this tiny signal amplifier designed by @esa is to boost faint signals to usable levels, making future radar-based and telecommunications space missions possible���
👉https://t.co/nHHKn3Tbri

[ESA Technology @ESA_Tech]

Proba-3 twin satellites separated!🛰️🛰️Under the watchful eye of operations team at @esa's ESEC, the pair said goodbye to each other last night, 14 January 23:00 GMT. When their Sun-observing mission starts, the two will adopt a stable configuration at 150 m away from each other, ready to create artificial eclipses on demand☀️https://t.co/0tc7hsSPKk