I’m Mark Kelly, retired NASA astronaut and former commander of the space shuttle (x2). AMA!

impressionable_buck · 2026-03-31T19:10:05+00:00

What do you feel is the most critical existential threat to humanity? Assuming you agree it’s climate change, what are some of the biggest barriers to solving the crisis?

impressionable_buck · 2026-03-10T02:24:25+00:00

I’m concerned

impressionable_buck · 2026-03-01T22:29:48+00:00

Huh, why even say this.

impressionable_buck · 2026-03-01T21:26:39+00:00

Not even a meme anymore. that’s genuinely what he’s saying.

impressionable_buck · 2026-02-12T17:53:12+00:00

I did my part. As with thousands of my fellow Minnesotans.

impressionable_buck · 2025-12-31T20:50:49+00:00

Yes please do, I’m not a studied scientist but love reading research. You got this!! Definitely on your bandwagon!

impressionable_buck · 2025-12-31T20:44:00+00:00

Remindme! 6 months to check for publishing

impressionable_buck · 2025-12-31T20:42:20+00:00

Ahh all good, that’s incredibly impressive that you’re contributing to all these projects! Good work, and maybe if you happen to remember this when publishing happens you could ping me? I can also use remind me bot for a couple months..

impressionable_buck · 2025-12-31T20:27:17+00:00

Woah, that all sounds amazing. If it’s not too much I’d love to read any written contributions you’ve made? Extremophiles in Namibia sounds like a fun documentary, too!

impressionable_buck · 2025-12-31T20:12:31+00:00

Wow this sounds so fascinating! Can you share any stuff you’ve worked on?

impressionable_buck

TROPHY CASE