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Asteroid Day ☄ Profile
Asteroid Day ☄

@AsteroidDay

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#AsteroidDay is an official @UN day, observed on June 30. Raising awareness to protect Earth from asteroids and inspire the next generation [email protected]

Observed across 193 countries
Joined October 2014
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@AsteroidDay
Asteroid Day ☄
7 months
Trojan asteroids aren’t just around Jupiter! They also orbit Venus, Earth, Mars, Neptune, Uranus, and Saturn at Lagrange points. 🚀 Explore the science behind them in our latest blog post https://t.co/nv8eSN8n0q #AsteroidDay #TrojanAsteroids #SpaceScience #SpaceExploration
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@AsteroidDay
Asteroid Day ☄
7 months
Astronomers are watching the skies for asteroids to protect Earth. Prof. Alan Fitzsimmons leads efforts to understand asteroid risks, like 2024 YR4, which once had a higher chance of impact but now poses minimal risk. Read more: https://t.co/Vy9iBqAfgZ #AsteroidDay #ESA #DART
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@AsteroidDay
Asteroid Day ☄
7 months
🚀Asteroid impact predictions change as new data refines risks. @Philip Plait explains how scientists track near-Earth asteroids and why impact probabilities often decrease over time. Learn more: https://t.co/JoCCs9yazx #AsteroidDay #Asteroid2024YR4
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@AsteroidDay
Asteroid Day ☄
7 months
🌍 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
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@AsteroidDay
Asteroid Day ☄
7 months
🌍The International Year of Asteroid Awareness is declared by @unitednations for 2029. Learn how asteroids affect Earth and how we can protect it – read our latest blog post! https://t.co/berJwkpFyA #AsteroidDay #UnitedNations #UnitedNationsOfficeforOuterSpaceAffairs
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@NASA
NASA
8 months
New observations of asteroid 2024 YR4 helped us update its chance of impact in 2032. The current probability is 1.5%. Our understanding of the asteroid's path improves with every observation. We'll keep you posted. https://t.co/LuRwg1eaCv
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@AsteroidDay
Asteroid Day ☄
8 months
🚀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
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@AsteroidDay
Asteroid Day ☄
8 months
🚀 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
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@AsteroidDay
Asteroid Day ☄
8 months
🌍✨ Asteroid impact predictions can change over time! 🚀 Astrophysicist Philip Plait explains why the odds of asteroid 2024 YR4 impacting Earth in 2032 aren’t as worrying as they seem. 🔗 Read more: https://t.co/9dXztq16B6 #Asteroid2024YR4 #PhilipPlait #AsteroidTracking
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@AsteroidDay
Asteroid Day ☄
8 months
🚨 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
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@AsteroidDay
Asteroid Day ☄
10 months
🌍☄️ Earth has been shaped by space collisions! While many asteroid impacts are erased by weathering, some craters remain as stunning reminders of our planet's past. From Arizona's Meteor Crater to Australia's Wolfe Creek, these sites offer clues about Earth's history. 🌌 Read
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@AsteroidDay
Asteroid Day ☄
10 months
🚀 Calling all planetary defence experts! The 2025 IAA Planetary Defense Conference is accepting papers! 🌍 Topics include NEO discovery, deflection modelling, mission highlights, & more. Join the effort to protect Earth from cosmic threats. 📅 5–9 May 2025, South Africa.
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@AsteroidDay
Asteroid Day ☄
10 months
💥🌌 Can we really stop a massive asteroid from hitting Earth? In How to Kill an Asteroid, Robin George Andrews explores the cutting-edge science behind planetary defence—like @NASA's #DART mission, which successfully changed an asteroid’s course. 🚀 From detection to deflection,
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@AsteroidDay
Asteroid Day ☄
1 year
Congratulations to Joe DeMartini, the first #SchweickartPrize winner. Awarded to Joe by Asteroid Day co-founder #RustySchweickart and @b612foundation
@b612foundation
Asteroid Institute, a program of B612
1 year
Congratulations to Joe DeMartini, #astronomy Ph.D candidate at @UofMaryland, for being the 2024 recipient of the #SchweickartPrize. His SUNSET Collaboration proposal aims to help detect Sunward Near-Earth Objects (SNEOs) during twilight hours.
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@AsteroidDay
Asteroid Day ☄
2 years
Take advantage of this weekend to locate Juno, one of the first #asteroids discovered in history. Juno is in a better period for observations and it will be between Leo and Sextans constellations. See its location on this @TheSkyLive interactive map : https://t.co/9gYq5b5SMa
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@AsteroidDay
Asteroid Day ☄
2 years
Check out special moments organized by Mulheres de Estrelas and @Meteoriticas1 where students from different schools in #RioNegro #Paraná #Brazil learned about #asteroids and the work of searching and analyzing meteorites. #AsteroidDay
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@AsteroidDay
Asteroid Day ☄
2 years
New research suggests #asteroids may have triggered global glaciation, transforming our planet into a giant ball of ice millions of years ago. Learn more about this theory and how it could reshape our understanding of Earth's history.
Tweet card summary image
nationalgeographic.com
More than 600 million years ago, the planet would have been unrecognizable.
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@AsteroidDay
Asteroid Day ☄
2 years
Have you heard of the #asteroid impact in #Germany? Discover the story of asteroid 2024 BX1's impact near Berlin and learn about the rare aubrite fragments found and their unique characteristics in our latest article. https://t.co/XS1ljQajFT
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@AsteroidDay
Asteroid Day ☄
2 years
First #AsteroidDay 2024 event in #Africa! Professor Guido Prego held a conference at @UBwila in #Benguela, #Angola, to talk about the 50th anniversary of the Jolomba #asteroid fragment fall. Check out some images:
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@AsteroidDay
Asteroid Day ☄
2 years
The new episode of #Resourceful, @ESRIC_lu’s podcast is out! In this one, you will discover insights from Sabrina Andiappane and Bernd Weiss and learn more about how we could possibly turn our #space debris into a practical resource! https://t.co/xzJRxvMisT
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