International Astronomical Union (IAU)
@IAU_org
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Founded in 1919, the International Astronomical Union (IAU) promotes and safeguards the science of astronomy through international cooperation.
Joined May 2014
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We have issued a statement on behalf of the International Astronomical Union (IAU) expressing our concern over
#SatelliteConstellations
:
@elonmusk
's
#starlink
@IridiumComm
@oneweb
@Globalstar
@amazon
's
#ProjectKuiper
@facebook
's
#Athena
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396
The Shaw Prize in Astronomy 2021 is awarded in equal shares to Victoria M Kaspi —
@McGillMSI
/
@mcgillu
& Chryssa Kouveliotou —
@GWtweets
for their contributions to our understanding of magnetars, a class of highly magnetized neutron stars.
🔗
4
90
243
After 977 proposals were received for the designated exoplanet system for
#Brazil
, IAU has announced the approved names of Tupi (star) and Guarani (exoplanet).
Learn more about the meaning behind these names at
#IAU100
#NameExoWorlds
6
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205
Today we celebrate Women and Girls in Science Day! During the
#IAU100
we strongly encourage the organization of activities throughout 2019, as the perfect opportunity to celebrate girls and women in science, space and astronomy.
#WomenInAstronomy
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165
100 000s of People from 112 Countries Select Names for Exoplanet Systems as part of the
#IAU100
celebrations
#NameExoWorlds
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The IAU CPS has released a paper entitled 'Call to Protect the Dark and Quiet Sky from Harmful Interference by Satellite Constellations' that states its recommendations for the mitigation of satellite constellations’ impact on astronomy.
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142
IAU approved names for 12 features on Pluto, the first to be named after New Horizons flyby
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The IAU Office for Astronomy Outreach (OAO) invites everyone to participate in the 2023 Dark and Quiet Skies project, to be held in May. The programme includes many events throughout the month to raise awareness of the importance of dark and quiet skies.
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IAU and Astronomy Groups Petition the UN to Address the Impact of Satellites on Dark and Quiet Skies
Read more:
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The IAU Commission on Solar Activity (C.E2) under Division E Sun and Heliosphere represents members studying a wide range of dynamic phenomena produced by our nearest star, the Sun.
Read their 2022 Annual Report (Ed. Georgoulis, M. K.) here
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100
The IAU would like to clarify that a recent statement about the press coverage of the discovery of phosphine in the atmosphere of Venus originated from the Organizing Committee of the IAU Commission F3 and not from the IAU Executive, nor the IAU Commission F3 membership.
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Starts today! The IAU Asia-Pacific Regional Meeting (APRIM) will be hosted from August 7 to 11, 2023, in hybrid mode, in-person at Koriyama, Japan and online.
#APRIM2023
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#IAU100
The IAU invites every country in the world to name an
#exoplanet
and its host star by launching
#NameExoWorlds
Credit:
@IAU_org
/L. Calçada
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United Nations Agrees to Address Impact of Satellite Constellations on Astronomy.
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To celebrate the 10th anniversary of our IAU Office for Astronomy Outreach (OAO), we are launching a contest to name 20 exoplanetary systems to be observed by Webb Telescope.
Read the full Press Release here:
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1/6 We would like to follow up on the recent case of a statement from Commission F3 Organising Committee (OC) with regards to the press coverage of the discovery of phosphine on Venus.
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#IAUnomenclature
IAU members have voted to rename the Hubble law into the Hubble–Lemaître law, to pay tribute to both
#Lema
ître and
#Hubble
for their fundamental contributions to the development of modern cosmology.
Credit: IAU_org /M. Zamani
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#IAUoutreach
Numerous NOCs are supporting observations of the 21 June 2020 eclipse with livestreams, in-person events and educational resources
See the NOC Eclipse Resource webpage here:
Image credit: Stefan Seip
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28
69
We have published a new booklet: "From Medicine to Wi-Fi; Technical Applications of Astronomy to Society", detailing developments in astronomy that have permeated throughout modern-day life.
#IAU100
#IAUpublications
1
51
69
#IAUprize
The recipients of the Gruber Foundation 2021 Cosmology prize were announced. This year's prize goes to Marc Kamionkowski (
@johnshopkins
), Uroš Seljak ( @ ucberkeley &
@BerkeleyLab
) and Matias Zaldarriaga (
@the_IAS
).
0
16
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The IAU releases new coordinate systems for solar system bodies
Credit: IAU Working Group for Cartographic Coordinates and Rotational Elements
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35
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#IAUnews
The International Astronomical Union is pleased to announce the selection of
@SKAO
and
@NOIRLabAstro
as co-hosts of the new IAU Centre for the Protection of the Dark and Quiet Sky from Satellite Interference.
Mike Lewinsky/CC BY 2.0
1
28
62
After 215 proposals were received for the designated exoplanet system for
#Colombia
, IAU has announced the approved names of Macondo (star) and Melquíades (exoplanet).
Learn more about the meaning behind these names at
#IAU100
#NameExoWorlds
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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.
#IAU100
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27
60
The full programme for the
#IAUGA2022
is now available! Check out the list of talks for the Working Group and Office Meetings:
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#IAUGA2021
A warm thank you to former IAU President, Ewine van Dishoeck and IAU General Secretary, Maria Teresa Lago. Congratulations for the many accomplishments in leading the IAU during a very challenging triennium.
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9
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#IAUoutreach
The IAU endorses the International Day of Light to recognise the importance of dark and quiet skies. On 16 May,
@IAU_Outreach
will be sharing info on the protecting our night skies for science and society.
Link:
#LightDay2021
#DarkSkies4All
0
28
61
We have published a new booklet: "From Medicine to Wi-Fi; Technical Applications of Astronomy to Society", detailing developments in astronomy that have permeated throughout modern-day life.
#IAU100
#IAUpublications
1
27
58
The 2024 Gruber Cosmology Prize recognises Marcia Rieke for her pioneering work in infrared astronomy, especially her oversight of instruments allowing astronomers to explore the earliest galaxies in the universe.
0
11
55
The
@IAU_org
has announced the names of 20 exoplanetary systems selected from the
#NameExoWorlds2022
global contest. The contest was organised as part of the
@IAU_Outreach
10th-anniversary celebrations.
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21
55
#IAUdivisions
IAU Strategic Plan 2020-2030 — visions of the divisions: Division A — Fundamental Astronomy. Image: Motion of the Earth & the Sun around the Galactic Centre. (Diagram not to scale) Credit: Jim Slater, Background image: ESO/S. Brunier.
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The 43rd International School for Young Astronomers will take place in Tonantzintla, Mexico, from July 17 - August 4 2023. We encourage early-career graduate students from Latin American and Caribbean countries to apply. Deadline: 20 February
#ISYA2023Mx
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Beginning at 9:00CET tomorrow 11 April, follow along with the
#IAU100
Flagship event that will feature high-level representatives and prominent astronomers that will come together to celebrate
#astronomy
and 100 years of the IAU. Follow the event live at
0
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51
IAU and Astronomy Groups Petition the UN to Address the Impact of Satellites on Dark and Quiet Skies
Read more:
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The
#IAU100
#100HoursOfAstronomy
has arrived! We have over 600 events registered across 82 countries around the world. To see the full list of registered astronomy activities that will be taking place over the coming days from 10-13 January, visit
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Early bird registration for the in-person deadline is extended to June 7, 2023, 23:59 JST
The IAU Asia-Pacific Regional Meeting (APRIM) will be hosted from August 7 to 11, 2023, in hybrid mode, in-person at Koriyama, Japan and online.
#APRIM2023
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Our warm congratulations to Itziar Aretxaga, Director of the IAU Office for Young Astronomers, who has been awarded the State Prize Luis Rivera Terrazas 2023 in recognition of her academic and scientific career.
Image Credit: INAOE
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International Congress of the Astronomical Youth (ICAY) will run until June 30 in Paris. The opening ceremony will have an intervention from our IAU President, Debra Elmegreen.
You can follow the congress online on YouTube here:
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The U.S. National Science Foundation has awarded $750,000 to a project led by the IAU CPS to reduce the science impact caused by satellite constellations on astronomical observatories.
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15
50
#IAU100
has launched its next global project: Astronomy Day in Schools.
This initiative aims to mobilise the astronomical community to organise
#astronomy
activities in schools during and around the week of 10-17 November 2019.
To learn more, visit
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Marcia Rieke Receives $500 000 Gruber Cosmology Prize for her pioneering work in infrared astronomy, especially her oversight of instruments allowing astronomers to explore the earliest galaxies in the universe.
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10
48
The IAU stands in solidarity with protesters worldwide, united in rejecting the racist and discriminatory behaviour that blights societies across the globe.
#ShutDownSTEM
#shutdownacademia
#strike4blacklives
Image credit: NASA
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14
47
After 519 proposals were received for the designated exoplanet system for
#Iran
, IAU has announced the approved names of Kaveh (star) and Kavian (exoplanet).
Learn more about the meaning behind these names at
#IAU100
#NameExoWorlds
0
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United Nations Agrees to Address Impact of Satellite Constellations on Astronomy.
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Q: How do I pursue a career in astronomy research?
A: A good background in maths, physics, chemistry and computer science from high school to a university degree to a PhD is required to be a modern astronomer.
Read more at:
Image credit: ESO/M. Zamani
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#IAUmembership
The IAU has admitted 11 new Honorary Members, announced during the IAU Business Sessions, held virtually 23-26.08.2021.
🔗
Credit:
@IAU_org
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#IAUNews
IAU published the second international comparative list of astronomical terms in sign languages, with signs for 86 new terms.
Credit: Beatriz Garcia/
@IAU_org
-
@iau_outreach
/NARIT
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Focus Meeting 5 is entitled “Beyond the Goldilocks zone: the effect of stellar magnetic activity on exoplanet habitability” and will leverage recent advancements on solar activity to understand exoplanetary systems. What conversations did you start in FM5?
#IAUGA2022
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12
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New Radio Astronomical Observations Confirm Unintended Electromagnetic Radiation Emanating from Large Satellite
Read the full IAU Announcement here:
1
21
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After 251 proposals were received for the designated exoplanet system for
#Indonesia
, IAU has announced the approved names of Dofida (star) and Noifasui (exoplanet).
Learn more about the meaning behind these names at
#IAU100
#NameExoWorlds
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IAU Scientific Meetings for 2025 Announced
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Join the Women and Girls in Astronomy 2024 celebration!
Follow the link for more ideas on how to celebrate:
#WomenInAstronomy
#WomenInSTEM
#IAUoutreach
0
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36
@ThePlanetaryGuy
@abbybeall
Thanks for your input. The IAU was not consulted on this statement and does not agree with its content.
1
10
40
We have published a new booklet: "From Medicine to Wi-Fi; Technical Applications of Astronomy to Society", detailing developments in astronomy that have permeated throughout modern-day life.
#IAU100
#IAUpublications
0
29
42
Starting today and until 4 October 2023, the IAU Office for Astronomy Outreach (OAO) will hold a 100-hour, round-the-clock, round-the-globe celebration of astronomy.
Discover how to join the celebrations!
1
17
42
Competition Announced to Name a Quasi-Moon.
The International Astronomical Union and Radiolab invite everyone across the world to participate in naming campaign.
1
20
40
After 297 proposals were received for the designated exoplanet system for
#Turkey
, IAU has announced the approved names of Anadolu (star) and Göktürk (exoplanet).
Learn more about the meaning behind these names at
#IAU100
#NameExoWorlds
0
15
38
Astronomers Invite the Public to Help Name Kuiper Belt Object
#IAUnomenclature
Image Credit: Alex H. Parker
3
14
37
Save the date! The hybrid Asia-Pacific Regional IAU Meeting (APRIM 2023) will take place in person in Koriyama, Japan and online from 7 - 11 August 2023.
For more info:
1
14
41
The European Week of Astronomy & Space Science
#EWASS2019
starts today, in Lyon, France, until 28 June 2019. It will host special
#IAU100
sessions showcasing activities organised during the 100 years celebrations.
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14
39
#IAUmeetings
Starts today! The "Dark and Quiet Skies for Science and Society II", from 3 to 8 October 2021.
This conference will be held exclusively online.
0
19
40
United Nations Agrees to Address Impact of Satellite Constellations on Astronomy.
1
13
39
After 20 proposals were received for the designated exoplanet system for
#Spain
, IAU has announced the approved names of Rosalíadecastro (star) and Riosar (exoplanet).
Learn more about the meaning behind these names at
#IAU100
#NameExoWorlds
2
23
40
United Nations Agrees to Address Impact of Satellite Constellations on Astronomy. The issue of satellite constellations' impact on astronomy is now on their agenda after several years of work by astronomers affiliated with the IAU CPS.
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6/6 Finally, we would like to ensure the community of our full commitment to prevent such situations in the future. The IAU would like to thank those who have spoken up on this issue for always demanding nothing short of the best from our community.
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1
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#IAUnomenclature
The most distant object ever to have been visited by a spacecraft has been given a new name: Arrokoth approved by the IAU Working Group for Small Body Nomenclature (WGSBN). Credit: NASA / Johns Hopkins UAPL / SRI / Roman Tkachenko
2
15
37
Thank you, everyone, for being part of the first IAU GA in Africa! This historic moment wouldn’t have been possible without every single one of you. Here’s to the memories we’ve made together! See you in Rome! 📸
0
3
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A momentous occasion for Astronomy! Save the Date XXXII IAU General Assembly 6 – 15 August 2024 Cape Town.
Registration and Abstract submission commence in September 2023.
Join us as we gather under African skies in 2024!
For more details, visit
1
19
38
Congratulations to the winners of the
#NobelPrize
in Physics 2019! James Peebles “for theoretical discoveries in physical cosmology” and Michel Mayor and Didier Queloz “for the discovery of an exoplanet orbiting a solar-type star.”
Credit: Nobel Foundation
0
13
38
The IAU CPS has released a paper entitled 'Call to Protect the Dark and Quiet Sky from Harmful Interference by Satellite Constellations' that states its recommendations for the mitigation of satellite constellations’ impact on astronomy.
2
16
35
#IAUnews
A new object from
#interstellar
space has been found within the Solar System, only the second such discovery of its kind. The object has been given the name 2I/Borisov by the IAU. Credit: Gemini Observatory/NSF/AURA
0
11
36
After 1500 proposals were received for the designated exoplanet system for
#Thailand
, IAU has announced the approved names of Chaophraya (star) and Maeping (exoplanet).
Learn more about the meaning behind these names at
#IAU100
#NameExoWorlds
0
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34
Decide the names for your favourite exoworlds!
#NameExoWorlds
is now open for public vote
http://t.co/GmaTqhqtpA
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We express our heartfelt condolences to the thousands of families and colleagues who have suffered loss in the wake of the devastating earthquake in Turkey and Syria. We stand in support of our fellow astronomers who have been affected by this tragic event.
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#IAUmeeting
The "Dark and Quiet Skies for Science and Society" workshop will be held online from 5-9 October 2020. The workshop is being organised by
@IAU_org
,
@UNOOSA
and
@IAC_Astrofisica
.
Learn more here:
0
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36
IAU Centre for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference (CPS) welcomes support from G7 Science Ministers on Dark and Quiet Skies.
Read the full story here:
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12
37
#IAUnews
The names of 112 sets of exoplanets and host stars named in the
#IAU100
#NameExoWorlds
campaigns were announced today at a press conference in Paris. Over 780 000 people worldwide participated in the campaign.
Credit:
@IAU_org
0
18
36
Today the IAU is hosting its first event for amateur astronomers as part of the
#IAU100
Flagship event in Brussels. Through presentations by both professional and amateur astronomers, this meeting aims to further build the relationship between amateur astronomers and the IAU.
1
7
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Starts today! The XVII Latin American Regional IAU Meeting will be held in Montevideo, Uruguay until December 1st, 2023.
#LARIM2023
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