- News
- Science
- Scientific Bodies
- Divisions
- Commissions
- Commission A1 Structure
- Commission A2 Structure
- Commission A3 Structure
- Commission A4 Structure
- Commission B1 Structure
- Commission B2 Structure
- Commission B3 Structure
- Commission B4 Structure
- Commission B5 Structure
- Commission B6 Structure
- Commission B7 Structure
- Commission C1 Structure
- Commission C2 Structure
- Commission C3 Structure
- Commission C4 Structure
- Commission C5 Structure
- Commission D1 Structure
- Commission E1 Structure
- Commission E2 Structure
- Commission E3 Structure
- Commission E4 Structure
- Commission F1 Structure
- Commission F2 Structure
- Commission F3 Structure
- Commission F4 Structure
- Commission G1 Structure
- Commission G2 Structure
- Commission G3 Structure
- Commission G4 Structure
- Commission G5 Structure
- Commission H1 Structure
- Commission H2 Structure
- Commission H3 Structure
- Commission H4 Structure
- Commission J1 Structure
- Commission J2 Structure
- Commission J3 Structure
- Commission X1 Structure
- Commission X2 Structure
- Past Commission Organising Committees
- Working Groups
- Centres
- Scientific Meetings
- Rules & Guidelines
- General Assemblies
- Meeting Proposals
- Future IAU Meetings
- General Assemblies
- EC Meetings
- Officers' Meetings
- Regional Meetings
- Symposia
- Focus Meetings
- Institutional Meetings
- IAU Offices Meetings
- IAU-Sponsored Meetings
- Letters of Intent submitted for 2024
- Letters of Intent submitted for 2023
- Letters of Intent submitted for 2022
- Letters of Intent submitted for 2021
- Letters of Intent submitted for 2020
- Past IAU Meetings
- Templates
- Other Meetings
- Grants & Prizes
- Scientific Bodies
- Publications
- IAU Publications
- IAU Strategic Plan
- Symposia
- WGSBN Bulletins
- Regional Meetings
- Information Bulletins/Catalyst
- E-Newsletters
- Focus Meetings
- Transactions A
- Transactions B
- Related Publications
- GA Newspapers
- CAPjournal
- IAU Books
- Brochures
- IAU Offices
- WG Reports
- Commission Reports
- Division Reports
- Past IAU Publications
- Rules, Guidelines and Instructions for Proceedings
- Publishers
- IAU Publications
- Administration
- About the IAU
- Statutes & Rules
- IAU Policies
- IAU Executive Bodies
- IAU Secretariat
- Resolutions
- Members Administration
- Administrative Dates & Deadlines
- International Organisations Relations
- Donate to the IAU
- Training in Astronomy
- Astronomy for Education
- Astronomy for Development
- Astronomy for the Public
- Office for Astronomy Outreach
- FAQ
- Themes
- Satellite Constellations
- Astronomy in Everyday Life
- How to Report a Discovery
- Careers in Astronomy
- Defining our Place in the Cosmos
- The Constellations
- Light Pollution
- Measuring the Universe
- Near Earth Objects
- How to Participate in Astronomy Research
- Naming of Astronomical Objects
- Naming of Exoplanets
- Buying Star Names
- Naming Stars
- Pluto and the Solar System
- IAU Member Statistics
- Our Moon: the Moon
- Meteors & Meteorites: The IAU Definitions of Meteor Terms
- UNESCO-IAU Portal to the Heritage of Astronomy
- Social Media
- Past Events
- Call for Online Resources
- Astronomy@Home Awards
- Contact
Images
IAU logo
IAU logo
IAU GA 2022 Logo
Ewine van Dishoeck
Ewine van Dishoeck
Maria Teresa Lago
Ballet of interacting galaxies
Exoplanet rendering
Press Briefing during the IAU General Assembly 2018
24 Hours of Rainbow
Star Trails of the Forbidden City
Smartphone Partial Eclipse Combined
Fire of the Sky
The Eclipse Clock/Eclipse on a Polar Day
Equatorial Sunrise Eclipse
Solstices and Equinox
Starry Popocatépetl
The Milky Way in the Smart World
The Last Hour of the Day
Sailing the Celestial Seas
Retrograde Motion of Mars
Learning Nights
Northern Lights - Teepees
The Path of the Sun
Full Flower Moon 2023
When the Sun Bounces
Star Trails
Where the Sun Sets Every Month
Milky Way Over Quiver Tree
Milky Way Over H.E.S.S Observatory
Northern Lights Color
Occasive Amplitude
Our Sky
The Geminid Fireball
Venus and Mercury Trails
A Matter of Perspective
Jupiter, Venus, Moon Conjunction
Star Trail in the Southern Hemisphere with Bortle 4 Scale Light Pollution
Milky Way Stargazer
An exoplanet seen from its moon (artist's impression)
IAU I-HOW (white background)
Ewine van Dishoeck at the IAU 100th Anniversary Open-source Exhibition
Closing Ceremony at IAU General Assembly 2009
Closing Ceremony at IAU General Assembly 2009
Closing Ceremony at IAU General Assembly 2009
IAU members
Newly Named Mercury Craters
Excellence in Astronomy Education and Public Outreach
Star Party
The violent youth of solar proxies
Showing 1 to 50 of 2250
Donate to the IAU
General Assembly 2024
IAU Strategic Plan 2020–2030
IAU Code of Conduct
Symposia and Meetings
Membership
Deceased Members
Centre for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference
IAU Catalyst
IAU e-Newsletter
Volume 2024 n° 7
Subscribe to the e-Newsletter
IAU Office of Astronomy for Development
IAU Office for Young Astronomers
IAU Office for Astronomy Outreach
IAU Office of Astronomy for Education
International School for Young Astronomers
WG Small Bodies Nomenclature Bulletins
IAU WG Women in Astronomy Newsletters and Ensemble Magazine
