Chris Hadfield ✓
@Cmdr_Hadfield · Earth · joined 02 Sep 2010
Astronaut, back on Earth after 3 spaceflights. For events and media, please write to info@chrishadfield.ca Order books at https://t.co/Y7p3sa0MX3
2 131 091Followers
211Following
21 036Posts total
2.5MViews on collected posts
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Amazing moment in time - look closely.
An L-39 jet is crossing the Sun, but right next to its tail you can see the TIE fighter silhouette of the International Space Station, crossing way higher & faster.
Cool photo by Petr Horálek, Czech Republic https://t.co/x8pqHinDww https:/
61.1K views · 1.9K likes
· 187 reposts · 31 replies
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Cool Sun Dog this morning.
Just the right angle between the Sun, the high cirrus cloud ice crystals, and me. Scientific name is a parhelion, 22 degrees to the side of the Sun.
A fine welcome to the first day of Autumn. https://t.co/uV9Q670QAH
39.7K views · 850 likes
· 68 reposts · 11 replies
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The edge of darkness on Mars. Austerely beautiful.
Taken from orbit near the south pole, you can see cliff faces, many meteorite crater scars, and lots of ice.
https://t.co/Z46aGX6QY8 @esa https://t.co/75wuqWjrAA
60.5K views · 976 likes
· 95 reposts · 23 replies
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This nebula of dust & baby stars looks like a treasure chest.
The Carina Nebula, in our Milky Way galaxy, just 7500 light-years from here. Image via the Webb Telescope.
details: https://t.co/1D4uP7rxpH @NASAWebb @esa https://t.co/h4RksYf4DO
41.3K views · 911 likes
· 102 reposts · 17 replies
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@Cmdr_Hadfield @esa Silly questions.
Why can't they build a ship that could counter-react those space junk and use a net webbing system to catch them and send them out to the void of space? 🚀🌌
Like a huge fishing net 🥅
And then have a small Rocket to jet them away from earth LE
63 views · 1 likes
· 0 reposts · 1 replies
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@Cmdr_Hadfield @esa So we're now littering our space as well as our planet
54 views · 1 likes
· 0 reposts · 0 replies
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@Cmdr_Hadfield @esa Luckily space is pretty big
36 views · 1 likes
· 0 reposts · 0 replies
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How much space junk is there?
Almost 50,000 trackable things in orbit, and growing. We launch 10 new things/day, and 3 re-enter. Plus 40 tons of space rocks hit Earth daily.
Excellent new summary chart from @esa. Read the whole report: https://t.co/PEaDOgEqxk https://t.co/I7LMcq
41.2K views · 250 likes
· 29 reposts · 26 replies
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71% of Earth is covered by water.
Living in orbit, landfall is a welcome visual relief. But some sunrises over our blue world have a great sense of drama. https://t.co/G6J3z74lJb
53K views · 1.1K likes
· 77 reposts · 18 replies
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Ode to Fruit - a morning poem for you.
An orange is a messy thing, but very good to eat
Its nectar trickles down your chin but tastes ever so sweet
A metaphor for life it is, that every joy you nibble
Will not be tidy, neat or prim, so savour every dribble https://t.co/0dodl8zQ
44.6K views · 823 likes
· 54 reposts · 33 replies
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Pilots and Flight Attendants have highest cancer risk.
Working decades above most of the atmosphere exposes them to cosmic radiation. Study ran 2000 to 2024, across 12.7 million decedents spanning 503 occupations.
Living in space/on the Moon will be worse, no doubt.
details: h
70.2K views · 1.3K likes
· 225 reposts · 71 replies
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Great job for a quiet, electric robot.
Totally automatic, even has lights to cut in darkness. You can hear the crickets. https://t.co/JALFTTQAxk
268.2K views · 2.4K likes
· 75 reposts · 159 replies
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0:16
Great jet to fly - the @NASA T-38.
Look how thin that wing is - it lets us go fast up high, but also means high approach & landing speeds, so longer runways.
Helps train astronaut crews to be ready for spaceships: complex systems, emergencies, comms, nav, irreversible https://t
51K views · 1.3K likes
· 73 reposts · 31 replies
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My new book. #MinuteSix. Launches next week. Here’s what @Cmdr_Hadfield had to say about it (🙏 🙏🙏 Chris!!)
Get it here in hardback, audiobook & kindle (with a chunky pre-order discount😉). https://t.co/RDB40ay5xH https://t.co/SVRbFDbaGU
48K views · 31 likes
· 3 reposts · 2 replies
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The paperback comes out today in the UK!
FINAL ORBIT - #1 bestselling thriller. "For readers who love suspense novels 'Final Orbit' is a perfect selection."
I think you're going to enjoy reading/listening to it :)
Wherever you buy books: https://t.co/da9pieNMPG https://t.co/R0mZE
29.9K views · 378 likes
· 49 reposts · 13 replies
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I admire simple, practical engineering solutions. My guess is plywood for debris/dust protection, fisheye peephole to still see. Any other observations? https://t.co/3U1YTTDHbh
44.2K views · 172 likes
· 8 reposts · 34 replies
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Hi Craig - as a fellow engineer, I recently helped rewrite and update that fine, traditional iron ring ceremony. Serious business, building the vital underpinnings of industry and civilisation.
129.4K views · 1.4K likes
· 80 reposts · 33 replies
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First-ever launch of satellites to orbit from western Europe!
Congrats to @isaraerospace - looking forward to your launches from Canada soon too, at Spaceport Nova Scotia @maritimelaunch.
details: https://t.co/VNnqmW0Vdz @esa https://t.co/Y2dfo3goCM
61.8K views · 1.1K likes
· 110 reposts · 19 replies
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0:16
Superb show today, @CFSnowbirds ! We ❤️ you too. https://t.co/TywJ34ORnZ
60.9K views · 2.7K likes
· 278 reposts · 26 replies
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"Heard a loud crash, found a hole in the ceiling, smelled a strong sulfur-like odor. " What would you think?
This New Jersey homeowner then carefully collected the meteorite pieces in glass jars. Analysis shows it was once a piece of an ancient, briny world. The type of asteroid
117.5K views · 2.5K likes
· 207 reposts · 52 replies
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When a Canadian engineer graduates, they are given an iron ring in a ceremony called The Ritual of the Calling of an Engineer.
The tradition dates back a century and includes a connection to Rudyard Kipling and a terrible bridge disaster.
This is the story.
📸 TranBC
🧵1/8 https:
157.9K views · 806 likes
· 144 reposts · 25 replies
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Great fun to fly with the @CFSnowbirds!
Their last planned show in the Tutor @CIASToronto, all this long weekend. Don't miss it!
We should commit to a suitable follow-on @RCAF_ARC aerobatic display team soon, and keep flying Tutors until then. Nationally inspiring. https://t.co/r
76.3K views · 2K likes
· 224 reposts · 44 replies
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Great shot of the @CFSnowbirds yesterday, in formation with the Lancaster from @CWHM, by friend Andrew Yee. https://t.co/Q6S8CV38zt
2.8K views · 24 likes
· 1 reposts · 2 replies
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Great fun to fly with the Snowbirds!
Their last planned show in the Tutor @CIASToronto, all this long weekend. Don't miss it!
We should commit to a suitable follow-on @RCAF_ARC aerobatic display team soon, and keep flying Tutors until then. Nationally inspiring. https://t.co/A0yj
7K views · 34 likes
· 4 reposts · 1 replies
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Today’s sunrise took my breath away. So elegantly beautiful. Good morning! https://t.co/038o9CMMRc
67.4K views · 4.3K likes
· 234 reposts · 90 replies
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Learning about meteorites in a wind tunnel:
1. a rock hits Earth's air, forms a shockwave, heats into a visibly glowing 'shooting star'
2. gets hot enough to start melting the rock itself, often spinning, spewing droplets
3. as the air thickens, the rock often breaks up, visibly
43.2K views · 671 likes
· 79 reposts · 22 replies
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Final stage of a star’s life - the Crystal Ball Nebula.
Cool new image of an elderly sun, taken from the top of Maunakea in Hawaii @GeminiObs.
The image actually contains two stars, orbiting each other, 1500 light years from here.
details: https://t.co/NBw0ol1lrc https://t.co/K
41.2K views · 643 likes
· 66 reposts · 8 replies
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Lunch is for sharing. And yellowjackets don't eat much. https://t.co/zclxSMABZ9
67.7K views · 227 likes
· 8 reposts · 10 replies
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One of the greatest joys of a birthday is hand-drawn cards, and the thought that goes into them. Now adorning the fridge. https://t.co/O2eHtIUzSA
38.8K views · 729 likes
· 20 reposts · 24 replies
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На фоне аккаунтов своего размера
36 постов за последние 90 дней рядом с диапазоном 1M–10M подписчиков. показывается далеко за пределами своей аудитории, и она отвечает.
Медианные просмотры44 400этот аккаунт14 648медиана для 1M–10M
Охват, %2.08%этот аккаунт0.74%медиана для 1M–10M
Вовлечённость, %2.00%этот аккаунт0.70%медиана для 1M–10M
| Показатель | Этот аккаунт | Медиана для 1M–10M | Отношение |
|---|---|---|---|
| Медианные просмотры на пост | 44 400 | 14 648 | 3.03× |
| Охват (просмотры ÷ подписчики) | 2.08% | 0.74% | 2.82× |
| Вовлечённость | 2.00% | 0.70% | 2.86× |
Другие в этом диапазоне → Сравнить с другим аккаунтом → Как считаются эти ориентиры →
Growth & engagement
How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.
Views per post
51K11 Sep
42.3K12 Sep
268.2K13 Sep
70.2K14 Sep
44.6K15 Sep
53K16 Sep
41.2K17 Sep
36
54
63
41.3K19 Sep
60.5K21 Sep
39.7K22 Sep
61.1K23 Sep
Last 14 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.
Engagement rate per post
2.82%11 Sep
0.09%12 Sep
0.99%13 Sep
2.37%14 Sep
2.05%15 Sep
2.34%16 Sep
0.76%17 Sep
2.78%
1.85%
3.17%
2.50%19 Sep
1.82%21 Sep
2.35%22 Sep
3.50%23 Sep
Reactions — likes, reposts, replies and quotes — divided by views. Median for 1M–10M accounts is 0.70%.
What the audience does
Likes86.8%29 703 in total
Reposts7.3%2 502 in total
Replies2.4%827 in total
Quotes0.4%143 in total
Bookmarks3.1%1 047 in total
Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.
Followers by day
22 Sep
Daily snapshots since 22 Sep 2026; the dashed line is the starting count.
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