International Asteroid Day
On this day, we emphasize the need for global awareness regarding asteroids and their potential impact on Earth.
- Roots
- Established in 2016 by the UN
- Vibe
- Promotes education and scientific collaboration
- Also on Jun 30
- Day of Parliamentarism · Meteor Watch Day · OOTD Day
- Hashtag
- #InternationalAsteroidDay
3 ways to celebrate
Stargaze for asteroids
Use a telescope or app to spot rocks in the night sky.
Watch a space movie
Pick an asteroid thriller and debate the science after.
Share space facts
Post surprising asteroid facts on the team channel.
Fast facts
The story
International Asteroid Day is a global event celebrated annually on June 30. This date was chosen to mark the anniversary of the Tunguska event in 1908, when an asteroid exploded over Siberia, causing widespread devastation. The event serves as a stark reminder of the potential hazards that asteroids pose to our planet. As awareness grows, so does the importance of scientific research and collaboration in planetary defense.
Read the full story
The United Nations officially declared June 30 as International Asteroid Day in 2016. The day aims to educate the public about asteroids, their origins, and their significance in our solar system. From workshops to community events, organizations worldwide engage people of all ages in discussions about asteroids. The goal is to inspire interest in space exploration and scientific inquiry.
Asteroids are remnants from the early solar system, and studying them can provide valuable insights into the formation of planets. They can also offer clues about the history of our solar system. Many space agencies, including NASA and ESA, are actively involved in programs to track near-Earth objects. This work is crucial for developing strategies to mitigate potential threats posed by asteroids, ensuring a safer future for humanity.
On International Asteroid Day, people are encouraged to participate in activities that promote awareness. Stargazing events, educational workshops, and community discussions allow individuals to explore the wonders of the universe. In addition, documentaries and literature on asteroids can further enrich our understanding of these celestial bodies. By coming together to share knowledge, we embrace our collective responsibility for planetary defense.
Did you know?
Largest Asteroid
Ceres is the largest asteroid in our solar system, measuring about 590 miles in diameter.
Asteroid Belt
The asteroid belt lies between Mars and Jupiter, containing millions of asteroids.
Potential Threats
Scientists continuously monitor near-Earth asteroids to assess any potential threats to our planet.
Space Missions
NASA's OSIRIS-REx mission successfully collected samples from the asteroid Bennu in 2020.
Asteroid Composition
Asteroids are primarily made of rock, metal, and sometimes ice, providing clues about the early solar system.
Impact Events
Asteroid impacts have played a significant role in shaping Earth's geological history.
Asteroid Mining
The concept of asteroid mining is being explored as a future resource for materials.
Around the world
Every culture celebrates a little differently.
- USUnited StatesThe U.S. celebrates International Asteroid Day with educational programs in schools and observatory events.
- GBUnited KingdomIn the UK, organizations host discussions and lectures to inform the public about asteroids.
- CACanadaCanadian universities often engage in research and public outreach on asteroid science.
- AUAustraliaAustralia's observatories host events to promote awareness of asteroids and their potential effects.
- DEGermanyIn Germany, science museums hold special exhibitions on asteroids and space missions.
- JPJapanJapan's space agencies provide educational resources about asteroids and their exploration.
Keep the party going
See the calendarCelebrate every day, all year
Official gear from the people who track 1,700+ celebrations.
Browse the shop
National Day Celebration Card GameA party in a box, any day of the year.Shop nowNever miss a reason to celebrate.
One quick morning email with today's celebrations, ideas and posters. Free, unsubscribe anytime.
🎉 You're on the list! Watch your inbox for The Daily Confetti.





