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How do we respond when we detect an asteroid that could pose a threat to Earth? Follow the story behind a recent real-world test in our newest documentary, Planetary Defenders: This Is Not an Exercise, now streaming for free on NASA+.

NASA

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744,719 次观看 • 4 天前 •via X (Twitter)

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14 条评论

Sem Day 的头像

Sem Day4 天前

imagine getting the warning and realizing this is no longer a movie plot

Sem Day 的头像

Sem Day4 天前

Planetary defense is one of those things you hope we never have to use

Mostofa |AI Tools & News 的头像

Mostofa |AI Tools & News4 天前

Thank you, @NASA, for bringing planetary defense into public view. Documenting a real-world asteroid response exercise shows how science, coordination, and preparedness work together when the stakes are highest. Looking forward to watching Planetary Defenders: This Is Not an Exercise on NASA+.

EagleX 🦅 的头像

EagleX 🦅4 天前

Amazing 🤩

Julian C 的头像

Julian C4 天前

So we lowkey have asteroid drills now?

Ralium Voxí, 🐤 - 📡 的头像

Ralium Voxí, 🐤 - 📡4 天前

You destroy that asteroid with lasers!! (Or use some form of gravitational pull to divert it?) I dunno? (I'm only here for a day) 💔

Sem Day 的头像

Sem Day4 天前

The fact that this is a real-world test is both terrifying and insanely cool

مستر حكيم 的头像

مستر حكيم4 天前

اكتشاف الكويكبات التي تشكل تهديداً محتملاً للأرض هو تحدٍّ يتطلب استجابة منسقة وعلمية. في الآونة الأخيرة، أجرت وكالة ناسا اختباراً حقيقياً يسلط الضوء على جهود العلماء في مواجهة هذه المخاطر الكونية. يوثق فيلم "Planetary Defenders: This Is Not an Exercise" عملية تعاون دولية معقدة، حيث يعمل الخبراء من مختلف المجالات معاً لمراقبة وتتبع الكويكبات القريبة من الأرض. تُظهر هذه التجربة أهمية التكنولوجيا المتقدمة والتعاون العالمي في حماية كوكبنا. إن تبادل المعرفة والموارد بين الدول يمثل خطوة حاسمة نحو ضمان أمننا الجماعي ضد الأجسام السماوية غير المعروفة. لمشاهدة الفيلم، زيارة: [رابط الناسا](

Canraptor ☄️ 的头像

Canraptor ☄️4 天前

we throw a starship into it

SupaDupaDave 的头像

SupaDupaDave4 天前

Normally I’d suggest calling Bruce Willis

Son of the right hand 的头像

Son of the right hand4 天前

Crazy to think this is real-life planning, not just a movie plot.

Bomb 的头像

Bomb4 天前

Call Bruce

Bernardo 的头像

Bernardo4 天前

If is coming to us why not mine it? Ahahah

eargen 的头像

eargen4 天前

Asteriod Impact on Earth. Next Move

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