From 21 to 25 September 2020, Macquarie University in Sydney, Australia and the International Astronomical Union (IAU) Commission C2 — Communicating Astronomy with the Public (CAP), will host the world’s largest conference on astronomy communication: Communicating Astronomy with the Public 2020. IAU100 encourages the submission of proposals pertaining to IAU100 events, activities and projects.

As a special and final IAU100 global project, the Pale Blue Dot initiative collectively united people from all cultures and backgrounds on the occasion of the 30th anniversary of the Pale Blue Dot image. Over 500 activities were conducted in 52 countries worldwide that celebrated the Earth, global citizenship, and astronomy during and around 13-20 February 2020.

The Pale Blue Dot global project is the final worldwide initiative conducted as part of the IAU100 celebrations. To date activities are registered in 44 countries worldwide that will collectively celebrate the 30th anniversary of the iconic Pale Blue Dot image and how astronomy shows us the place of our home planet in the universe and can help us address global challenges during and around 13-20 February 2020.

Two prize categories were established to recognize special event organizers of the Astronomy Day in Schools global project in November 2019. These winners have now been announced.

On 17 December 2019 the names of 112 sets of exoplanets and host stars named in the IAU100 NameExoWorlds campaigns were announced at a press conference in Paris (France). 

To harness the vast skills in education, outreach and inspiration of astronomy educators around the globe, IAU100 is launching a second call for proposals for the promotion of the Open Astronomy Schools (OAS) teacher training events in 2020.

The IAU would like to invite media to a press conference on 17 December 2019 in Paris, France, revealing the results of the more than 100 IAU100 NameExoWorlds campaigns in countries around the world. 

After one year of looking at one hundred years of milestones in astronomy with IAU100, let’s look back at us, Planet Earth, and how astronomy shows us the place of our home planet in the universe and can help us address global challenges. This is the final IAU100 global project and will take place on and around 13-20 February 2020.

In celebration of the IAU’s centenary celebrations (IAU), the Instituto de Astrofísica e Ciências do Espaço (IA) launched the website “Do the Stars Gaze Back? Art inspired by the Universe”, a December calendar that links artworks to milestones in astronomy and space exploration.

From 12-15 November 2019, the IAU Symposium 358 on “Astronomy for Equity, Diversity and Inclusion - a roadmap to action within the framework of the IAU centennial anniversary” was held at the Mitaka Campus in Japan, welcoming 124 participants from 31 different countries.

Ten Winners have been selected as the winners across three categories from the global IAU100 Moon Landing 50 celebrations that took place on and around 20 July 2019.

The Astronomy Day in Schools global initiative was celebrated on and around 10-17 November. Over 500 events and activities have taken place in 70 countries worldwide.

The New Zealand Starlight Conference took place at Lake Tekapo, South Island, New Zealand on 20-23 October and brought together more than 100 experts on light pollution and the maintenance of dark skies from New Zealand and 14 other countries from around the world.

The NameExoWorlds global project has received international interest, participation and media coverage. Thousands of names have been submitted to respective national campaigns to name a designated exoplanet and its host star.

The Cosmos: Art and Knowledge exhibition combining  science and art was curated by Professor Ewine van Dishoeck of Leiden University, and president of the International Astronomical Union. The exhibit is featured at the Rijksmuseum Boerhaave from 10 October 2019 to 15 March 2020.

The Astro Molo Mhalaba project has been selected as the winner of the Women & Girls in Astronomy Prize. This initiative engaged underserved communities in Cape Town, South Africa through astronomy outreach activities in February 2019.

The Amanar: Under the Same Sky project aims to inspire Saharawi youth of Algeria through astronomy, using it as a tool to promote peace, cultural exchange and mutual understanding. The project’s second phase has begun in which an international team of astronomers and educators are travelling to the refugee camps in Tindouf to conduct astronomy outreach activities.

IAU100 is pleased to announce and begin the Under One Sky: Astronomy Around the World video series that will highlight and celebrate astronomy from countries around the world.

The Astronomy Day in Schools initiative is an IAU100 Global Project with the vision of mobilising the astronomical community to organise activities in schools. This is a special opportunity for students to directly interact and engage with astronomers in their communities, and to learn about the important role of astronomy in our lives. 

Over 400 entries were received from around the world as part of the ‘Under One Moon’ children’s art contest for IAU100’s Moon Landing 50 global project. Three winners have been selected.

The upcoming 14 September Corre Por La Ciencia race in Bogotá (Colombia) supports integration, recreation and physical activity with a scientific and astronomical theme. The race will take place at the Anillo Vial Campus of the National University of Colombia.

Aimed to inspire the students and the general public with astronomy, with the support of the IAU100 Secretariat, the UNIPAMPA mobile planetarium has already visited 10 cities in the Pampa region (Brazil) and reached 200 pre-service teachers and more than 8000 children.

The IAU100 Above and Beyond traveling exhibition that highlights 100 years of astronomy discoveries continues to be showcased globally. The travelling exhibition is currently travelling across Ireland, while the down-scale and poster versions have been featured around the world.

The Friends of Mayo Dark Skies Community Group are hosting the European Symposium for the Protection of the Night Sky from 3 to 5 November 2019 in Mulranny, County Mayo. This event offers a platform for research, activism and policy discussions on protecting the night sky.

The ArAS Astronomy Teacher Training Program provided over 60 secondary and high school Palestinian science teachers with modern training in Astronomy teaching. 

The Moon Landing 50 celebration was conceived as an IAU100 global project to celebrate the 50th anniversary of the first human landing on the moon in 1969. The project comprises the largest coordinated Moon landing anniversary action worldwide with over 1 million people attending events in 128 countries.

IAU100's Moon Landing 50 project comprises the largest coordinated Moon landing anniversary action worldwide with more than 120 countries celebrating the historic milestone.

Four new prize categories have been created to stimulate further engagement and excitement for the Moon Landing 50 global event. To date, over 500 events in more than 80 countries have registered for participation. 

Today on 2 July, the Moon completely covers the Sun during a total solar eclipse. This eclipse’s totality passes over the South Pacific Ocean followed by part of Argentina and Chile. A variety of events are taking place in Argentina and Chile to celebrate and observe the total solar eclipse.

From 25 to 28 June 2019, Thai educators and outreach professionals gathered in NARIT Regional Observatory for the Public, Chachoengsao to attend the first national inclusive astronomy workshop in Thailand. 

The IAU100 Moon Landing 50 global project was conceived to celebrate the 50th anniversary of the first human landing on the moon in 1969. Diverse activities and events in more than 70 countries have registered for participation.

The IAU100 celebrations continue around the world, with several events for Inspiring Stars project planned during the month of June in Austria, France, United Kingdom, Thailand and Italy. The Inspiring Stars events are dedicated to inclusion and diversity in astronomy.

As 20 June 2019 marks United Nations World Refugee Day, the IAU100 Special Project “Amanar: under the same sky” is using astronomy as a tool to inspire children from the Sahrawi refugee camps near Tindouf, Algeria, and the Canary Islands, Spain. The initiative uses astronomy as an educative tool and cultural bridge between children from these two communities to foster a sense of global citizenship and mutual understanding.

Requests are now being accepted for those wishing to receive a free set of 12 printed posters that have been created as a scaled-down version of the IAU100 Above and Beyond Exhibition.

20 recipients and organisations from around the world have been selected to receive a telescope to be used for outreach and education as part of the IAU100 global event Moon Landing 50.

The IAU100 NameExoWorlds global competition that allows any country in the world to give a popular name to a selected exoplanet and its host star. Nearly 100 countries have already signed up to organise national campaigns that will provide the public with an opportunity to vote.

IAU100 is supporting various initiatives on the theme of the 1919 Solar Eclipse, including conferences, celebratory events, educational activities, and more. This also includes a celebration in São Tomé and Príncipe with the participation of the President of São Tomé and Príncipe and the President of Portugal.

The Einstein Schools Programme, a global project of the International Astronomical Union 100 Years Celebration, is looking for mentors to encourage middle and high school students around the world.

200 schools from all over the world have currently signed up for the Einstein Schools IAU100 global project. Participants are actively exploring the role of gravity in modern astronomy: from gravitational waves and black holes, to Einstein’s Birthday and the centenary of the 1919 solar eclipse that verified Einstein’s prediction on how starlight would bend passing near the Sun.

The IAU100 Dark Skies for All project aims to raise awareness of the preservation of quiet and dark skies in coordination with the UNESCO International Day of Light on 16 May 2019. In celebration of the International Day of Light, the Dark Skies for All project is distributing 100 Turn on the Night kits in 50 countries worldwide.

As part of the IAU100 celebrations, high-level officials from the IAU and Istituto Nazionale di Astrofisica (INAF) gathered to give speeches about the IAU, Italian astronomy and the Vatican Observatory over the past 100 years. It is also 20 years since the foundation of INAF.

On Friday 10 May the IAU100 special project Rock and Astronomy Under the Sky event will feature various talks, sky observations and a musical astronomy festival that is free and open access for audiences of all ages and musical tastes.

A new set of 12 posters have been created as a scaled-down version of the IAU100 Above and Beyond Exhibition. This version of the exhibition is well suited for display at meetings, universities, schools, societies and other venues.

The Columba-Hypatia: Astronomy for Peace project takes place on the divided island of Cyprus and aims to inspire children to be curious about science and the cosmos, while promoting a feeling of global citizenship and a culture of Peace and non-Violence. 

In November 2018, IAU100 launched the short story written competition “Under One Sky”.  This contest aimed to stimulate creativity and imagination, by soliciting short written stories related to the themes 'Under One Sky' and 'Inspiring Stars'.

On Saturday 13 April 2019 at the Palace of the Academies in Brussels, Belgium, the International Astronomical Union organised its first event for amateur astronomers. The event followed the IAU100 Under One Sky Flagship Event on 11-12 April.

The IAU 1919–2019: 100 Years Under One Sky Celebration Flagship Ceremony took place at the Palace of the Academies in Brussels (Belgium) on 11–12 April 2019. The event was held in the location where the IAU was founded 100 years ago.

To celebrate the 50th anniversary of an important milestone in space exploration and humankind - the 1969 Apollo 11 moon landing - IAU100 has set up a dedicated website to coordinate global events and large moon observation activities, including the launch of a telescope competition.

Everyone is invited to submit a location that is connected to the Sky as part of the IAU100 Endorsed project Places Connected to the Sky.

Winners have been selected for four prize categories to acknowledge outstanding participation and contributions in the 100 Hours of Astronomy global event that took place in January 2019.

Selected content of the IAU100 exhibition "Above and Beyond" are on display from 4 March to 23 June in association with the astronomical photo exhibition at TeNQ museum in Tokyo, Japan.

After the Bridging Event at the Planetarium in Brussels and the active participation in the Zero Conference at the United Nations in Vienna, the IAU100 Inspiring Stars travelling exhibition on inclusive astronomy projects has arrived in Italy.

The IAU100 Endorsed Project 'The Eratosthenes Experiment' will revive the historical method of measuring the Earth's circumference for primary and secondary schools worldwide on 21 March 2019.

The IAU100 Global Project Dark Skies for All project aims to raise awareness for the preservation of quiet and dark skies and claim the right to future generations to continue to access our true night skies. The project now open the registration for becoming one of its ambassador for the IAU to protect dark skies.

The IAU100 Endorsed projects provide extra means to achieve the IAU100 main goals and objectives. This project category is intended to provide large global projects, which satisfy the vision of IAU100, with greater international recognition and an opportunity to connect with other celebrations worldwide. 

The Dumbara Sky (දුම්බර අහස) project was conducted on 9-10 February 2019 in Sri Lanka and aimed to increase science awareness and early interest the pursuit of STEM fields for school students located in rural regions of Sri Lanka.

A new special prize has been announced for event organisers that conduct activities for IAU100 that innovatively celebrate Women and Girls in Astronomy. We strongly encourage the organization of activities throughout 2019, as the perfect opportunity to celebrate girls and women in astronomy

The IAU100 Above and Beyond travelling exhibition received thousands of visitors at the Slovak National Museum – Natural History Museum in Bratislava, Slovakia. After closing on February 3rd, the exhibition will now travel to the VIDA Science Center in Brno, Czech Republic.

From 20-21 January 2019, various activities celebrating the lunar eclipse were reported by IAU100 national coordinators around the world, from Thailand to Ecuador, Argentina and Brazil. The IAU100 lunar celebrations will continue throughout 2019.

2019 marks the 150th Anniversary of Dmitry Mendeleev’s discovery of the Periodic Table and to celebrate its importance the United Nations has proclaimed it the International Year of the Periodic Table of the Elements 2019 (IYPT2019).

From 20-21 January 2019 the lunar eclipse can be seen in various locations around the globe. Don’t miss this opportunity to host and participate in another event for IAU100!

Over 1200 astronomy activities took place across 85 countries worldwide from 10-13 January 2019.

On Saturday 13 April 2019 at the Palace of the Academies in Brussels, Belgium, the International Astronomical Union will organise its first event for amateur astronomers. The IAU100 Secretariat hereby invite amateur astronomers to engage with the event by attending and/or sharing their work as an amateur astronomer.

With 100 established IAU100 National Committees and more than 700 activities already registered in 72 different countries, the IAU is preparing for a year full of events.

To harness the vast skills in education, outreach and inspiration of astronomy educators around the globe, IAU100 is launching a call for proposals for the promotion of the Open Astronomy Schools (OAS) teacher training events.

The IAU100 Global Project Dark Skies for All project aims to raise awareness for the preservation of quiet and dark skies and claim the right to future generations to continue to access our true night skies. The IAU100 is issuing a call for proposals to receive the “Turn on the Night” educational kit and encourages educators, astronomy professionals and enthusiasts around the world to apply.

21 diverse and innovative projects from around the world have been selected to receive financial support to conduct astronomy activities throughout 2019 in the framework of the IAU100 celebrations.

EWASS 2019 will be held in Lyon, France, from 24 to 28 June 2019. The conference will welcome over one thousand astrophysicists from across Europe and beyond. On 27 June, the IAU 100 Years Celebrations will have a special session showcasing global and national activities organised during the celebration.

Four new prize categories have been created to stimulate further engagement and excitement for the 100 Hours of Astronomy global event on 10-13 January 2019.

The IAU100 logo is now translated into 53 different languages in a joint effort by the IAU National Outreach Coordinators and the IAU Astronomy Translation Network.

We are pleased to invite students worldwide to take part in the IAU100 written short story contest “Under One Sky”.

The IAU100 Secretariat encourages the organization of activities around the United Nations’ International Day of Women and Girls in Science on February 2019.

Ten winners have been selected from around the world to be provided a Bresser Refractor telescope that has been signed by astronauts to be used during the 100 Hours of Astronomy global event on 10-13 January 2019.

The Above and Beyond open-source exhibition features some of the most relevant and astonishing astronomical breakthroughs that have shaped science, technology and culture throughout the last century. Now you can bring this exhibition to a venue near you in an affordable customized way that suits the needs of your community.

From Colombia to Madagascar, from Egypt to Japan. The IAU100 kick-off activities and global calls for events are starting around the world. With Astronomy events of all kinds, including national and cultural events. the IAU100 is engaging with  different communities worldwide. Meet the IAU100 National Committees and learn more about the people that are here to support you during the 2019 celebrations.  

Even though the IAU100 anniversary is in 2019, celebrations are already taking place worldwide! Mitaka Open House Day 2018 is a special public event hosted by the National Astronomical Observatory of Japan (NAOJ) and other facilities on campus. This year, this annual open house was held on October 26 and 27, 2018 and introduced the IAU 100 years celebrations to the local community.

The Slovak National Museum – Natural History Museum and the International Astronomical Union (IAU) invite everyone interested in science to visit the exhibition Above and Beyond from 23 October to 30 December 2018 in Bratislava, Slovakia. This travelling exhibition is one of the global projects of the 100 years celebration of the IAU (IAU100).

Inspiring Stars is an IAU100 Global Project designed to highlight, support, and promote inclusive initiatives that encourage equality of participation in outreach and teaching and at a professional level in the field of astronomy. On October 19, the project is presented in Santiago, Chile highlighting the Chilean community’s many efforts on inclusive astronomy through the project “Astronomy for All”. 

The IAU centennial celebrations in 2019 will stimulate a worldwide interest in astronomy and science and will reach out to the global astronomical community from professional and amateur astronomers, from policy-makers to teachers and students, to families and the general public. Plan ahead for an exciting year and find out how you can get involved.

It is only a few month before the yearlong centennial celebration of the International Astronomical Union (IAU) will take place. As a big kick off event, the global project 100 Hours of Astronomy is organised on 10-13 January 2019. Everyone around the globe can participate in this joint effort to bring astronomy to the general public. 

The Einstein Schools program is launched today to encourage talented youth around the world to learn and communicate about gravity in astronomy. As part of an international network, the schools will be able to share experiences, benefit of high-quality resources and access to astronomy professionals acting as mentors in your activities.
The project connects schools worldwide to help them learn about the important role gravity plays in astronomy.

In 2019, November 12 to 15, Japan will host the first IAU symposium on Astronomy for Equity, Diversity and Inclusion. The aim of the sympo-sium is to be a roadmap to action within the framework of the IAU centennial anniversary, highlighting the role diversity and inclusion plays in producing better science, contributing for competitiveness and innovation.

In 2019, we are commemorating 100 years of the International Astronomical Union by organising a global celebration of Astronomy and its importance for society, together “Under One Sky”. Your organization now has the opportunity to join these celebrations by partnering with us to reach millions around the globe.

Have you ever wanted a telescope for your astronomy outreach and education activities signed by astronauts? In collaboration with the Belgian initiative Sterren Schitteren voor Iedereen (SSVI) and Universe Awareness (UNAWE), we are giving away 10 Bresser Refractor telescopes that have been signed by astronauts to support astronomy educational activities with children around the world.

The IAU has officially launched the celebration of its centennial — the IAU100 — with a special session at the IAU General Assembly in Vienna (Austria). The session marked the beginning of a worldwide celebration of the past century of astronomical discoveries with a central theme Under One Sky.

The International Astronomical Union (IAU) is eager to celebrate its 100th anniversary. 2019 will mark a year-long celebration that will be officially launched at the IAU General Assembly in Vienna (Austria) on 20-31 August 2018 under the central theme “Under One Sky”.

The Above and Beyond open-source exhibition was launched today at the International Astronomical Union (IAU) General Assembly in Vienna, Austria. The exhibition, commissioned within the framework of the IAU 100th anniversary celebrations, showcases some of the most significant and surprising astronomi-cal breakthroughs that have shaped science, technology and culture over the last century. 

Inspiring Stars is designed to highlight, support, and promote inclusive initiatives to encourage equality of participation in outreach and teaching, and at a professional level in the field of astronomy. The exhibition will be inaugurated on 22 August during the IAU General Assembly 2018 in Vienna, Austria.