Top Tweets for #Planetarydefence
Palampur Science Centre, a unit of @ncsmgoi, @MinOfCultureGoI, is organizing a special programme on 30 June 2026 to celebrate International Asteroid Day.
#InternationalAsteroidDay2026 #PlanetaryDefence #SpaceScience #Astronomy #ScienceForAll
2026年11月 注目の探査機Hera ディディモス到着
人類は巨大隕石から地球を守るシステムを構築中
NASAが体当たりで軌道を変えた小惑星
その衝突痕を詳しく調べに行く
データが揃えば地球を守る精度が上がる
惑星防衛、次のフェーズへ
#HeraMission #GoHera #PlanetaryDefence
探査機Heraは無事に分離し、ディモルフォスへ向かいました。良い旅を！ #GoHera
ESA's ExoMars TGO at Mars helped pinpoint interstellar comet 3I/ATLAS's path with 10x greater accuracy! This is a critical test for #PlanetaryDefence & #SpaceSafety.
🔗 https://t.co/OwGqkMrhg0
#ESA #ExoMars #3IATLAS #Comet #Science
🚨 3rd interstellar visitor spotted!
At 10:15 UTC on 2 July, our Australian sensor captured A11pl3Z - only the 3rd interstellar object ever seen.
514M km from Earth 🌌
#Spaceflux #A11pl3Z #PlanetaryDefence
Asteroid 2008 DG5 to fly past Earth at 9.1 lunar distances on June 5 https://t.co/tlwF8byJy9 #asteroid #flyby #2008dg5 #closeapproach #planetarydefence
🚀 Excited to announce that EMXYS will develop the 2nd #CubeSat for @esa 's #RAMSES mission to #Apophis !
Our lander will descend to the asteroid’s surface during the 2029 flyby to perform geological analysis. A huge step in #PlanetaryDefence !
📎 https://t.co/HWm43x8vWw
🎥 Want to learn more about #PlanetaryDefence? Watch our #UNOOSA101 explainer: https://t.co/vzHbOreB5G
ちなみに地球中心だと以下のように見えます．灰色が月の軌道なので小惑星アポフィスが地球のすぐそばを通過していることがわかります．最接近時の地球-アポフィス間の距離は3万2000kmと推定されており，静止軌道よりも近い距離だそうです．https://t.co/MSfmlBTZLp
#PlanetaryDefence #地球防衛
NASA/JPL Horizons Systemから小惑星アポフィス（Apophis）の軌道を得て可視化してみました．黄色がアポフィス，青色が地球の軌道です．約4年後の2029年4月13日に地球に接近してから軌道が変化する様子が分かります．ALEをはじめとする小惑星探査を応援しております．
#PlanetaryDefense #地球防衛
🌍 Exciting news from ESA’s Hera Mission!
On 13th March 2025 at 11:50 CET, @EuropeanSpaceAgency ’s Hera mission will share its first observations after flying by Mars and Deimos.
🌌 Watch live here: https://t.co/cj2GjFcOaJ
#HeraMission #PlanetaryDefence #AsteroidDay #LSA
¡Ya estamos listos para el Fly-By de #HeraMission a Marte este miércoles (12/3)!
Podréis seguir el webcast de @esa el Jueves 13/3 , con invitados especiales, donde se presentarán las imágenes obtenidas de Marte y su luna Deimos .
👇
#PlanetaryDefence @esa_es @aee_gob 🛰️☄️🦕
This Wednesday #HeraMission flies by Mars🔴& its moon Deimos🪨on its way to its asteroid target. On Thursday you can join a star-studded livestream with @AndyWeirAuthor & @Astro_Alex plus another v. special guest as its flyby images are unveiled! https://t.co/DE4O47tydv
➡️ Want to know how the world prepares for asteroid threats? Swipe through to learn more! ✨
🎥 What about having an asteroid expert break down how #PlanetaryDefence works? This #UNOOSA101 video has you covered!: https://t.co/vzHbOreB5G
🚀Celebrating 10 years of Asteroid Day! 🌍From groundbreaking discoveries to exciting missions, we’ve come a long way in space exploration.🌌Check out the upcoming events in 2025 and more via the link below!👇
https://t.co/OVuk7qtQ7n
#AsteroidDay #PlanetaryDefence #SpaceDiscovery
🚀 Webb Joins the Mission to Study Asteroid 2024 YR4! 🌍
The James Webb Space Telescope (JWST) will observe asteroid 2024 YR4, refining its size, composition & impact risk for 2032.
📢 Read more: https://t.co/MOIKaYGy5r
#Asteroid2024YR4 #JWST #ESA #SpaceScience #PlanetaryDefence
🚨 Just in: @ESA has declared 2029 the Year of Asteroid Awareness & Planetary Defence! 🌍🚀
#AsteroidDay is proud to support this global mission to raise awareness about protecting our planet from asteroid impacts.
Big things are coming—stay tuned! ✨
#PlanetaryDefence #SpaceSafety #ESA
🌍 #UNOOSA enables international coordination on #PlanetaryDefence to ensure that all UN Member States receive timely, science-based information.
📣 StAnD Summer School 2025
📅 6-11 jul 2025, Maratona, Grécia
👉 INSCRIÇÃO/Financiamento Erasmus+ KA1: https://t.co/HrSzEahZKY
🔔🔔Prazo Erasmus+ KA1: 19 de fevereiro 2025
#StAnDproject #NUCLIO #ESIA2025 #CitizenScience #PlanetaryDefence #Asteroids #meteors
📣 STAND Summer School 2025
📅 6-11 Jul 2025, Marathon, Greece
👉REGISTER/Apply for Erasmus+ KA1 funding: https://t.co/mZMRXNvvT8
🔔🔔 DEADLINE for KA1 funding: 19 February 2025
#StAnDproject #ESIA2025 #CitizenScience #PlanetaryDefence #Asteroids #meteors
Astronomers discover smallest main belt asteroids https://t.co/MPYXyYkrAu #asteroids #asteroidbelt #spacesafety #planetarydefence
Paolo Martino, Project Manager della missione RAMSES dell'ESA ci spiega perché dobbiamo correre per riuscire ad andare a incontrare Apophis, asteroide che nel 2029 passerà ad un soffio dalla Terra https://t.co/hryEId8E5l
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