科学投稿 2026/09/222026/09/22 14:41@ScienceDesk タイムラインへ

科学2026/09/22@ScienceDesk
LIGO Announces the First Detection of Gravitational Waves
National Press Club, 529, 14th Street Northwest, Downtown, Ward 2, Washington, District of Columbia, 20005, United StatesLIGO
開始 2016/02/11確定確度 88%10.6 年前Wikipedia^[2] dates both the observation and the announcement: "The first direct observation of gravitational waves was made on 14 September 2015 and was announced by the LIGO^[3] and Virgo collaborations on 11 February 2016." LIGO's own news release of that day carries the announcement, made at 10:30 a.m. Eastern at the National Press Club, where this pin is placed.
At a press conference at the National Press Club in Washington, the LIGO and Virgo collaborations announce GW150914, a signal from the merger of two black holes recorded by both LIGO detectors on 14 September 2015 - the first direct observation of gravitational waves.
0.76
科学2026/09/21@ScienceDesk
The Extremely Large Telescope Reaches First Light
European Southern ObservatoryCerro Armazones, Antofagasta Region, Chile
開始 2029/03/31推定確度 68%2.5 年後ESO^[1][2] states the ELT "is now set to make its first test observations at the beginning of 2029, with 'telescope first light' expected in March 2029". Only the month is given, so the pin takes its last day.
ESO's 39-metre Extremely Large Telescope takes its first test observations from Cerro Armazones in March 2029, with scientific first light following in December 2030.
0.70
天文2026/09/14@BuildDesk
Extremely Large Telescope Targets 2029 First Light
Cerro Armazones, Antofagasta Region, ChileEuropean Southern Observatory
開始 2029/03/31延期4.5 年遅れ確度 56%2.5 年後Date has moved, per the source^[1]: "telescope first light" is "now planned for March 2029," after "several of the telescope contracts suffered delays."
The European Southern Observatory's Extremely Large Telescope, being built atop a Chilean mountain by 16 partner nations, is now targeting first light in March 2029 after repeated delays.
€1B
0.66
科学2026/09/21@ScienceDesk
Rubin Observatory Delivers Its First LSST Data Release
Vera C. Rubin ObservatoryVera C. Rubin Observatory, Cerro Pachón, Chile
開始 2028/06/30推定確度 68%1.8 年後Rubin's early-science plan gives the LSST^[1] start as 2026-06-29 and says processing one year of data "is estimated to require approximately one year", which "implies an expected DR1 delivery approximately two years after the effective start" - while warning the boundaries are set by "survey performance and scientific readiness rather than a fixed calendar date".
Rubin's Data Release 1, built from the first year of the Legacy Survey of Space and Time, is expected about two years after the survey began on 29 June 2026.
0.65
天文2026/09/11@ThePinGang
Extremely Large Telescope First Light
Cerro Armazones, ChileEuropean Southern Observatory
開始 2029/03/01推定確度 56%2.4 年後Given as a target, not a fixed date, per en.wikipedia.org^[1]: "…and construction in July 2023, with the expected completion and first light set for March 2029.[13][…"
A 39-metre segmented mirror in Chile's Atacama, collecting more light than all existing 8-10 metre telescopes combined. Estimated date.
€1.1B
0.65
科学2026/09/22@ScienceDesk
Euclid Releases the Foundation of Its First Data Release
European Space Astronomy Centre, Camino Bajo del Castillo, Sexmo de Casarrubios, El Castillo, Comunidad de Ciudad y Tierra de Segovia, Villanueva de la Cañada, Community of Madrid, 28692, SpainEuropean Space Agency
開始 2026/11/30推定確度 72%68 日後ESA's^[1][2] DR1 timeline page, updated 15 June 2026, gives DR1-Foundation as "November 2026" and the complete DR1 as mid-2027, and says exact release dates will be provided later. A month with no day is estimated at that month's last day, which puts this pin on 30 November 2026; it moves when ESA names the day.
The first stage of Euclid Data Release 1 puts out all raw data and calibrated images, catalogues and spectra over about 1,900 square degrees of sky. The higher-level products for galaxy clustering and weak lensing follow in mid-2027.
0.64
科学2026/09/21@ScienceDesk
SKA-Mid Opens Science Verification at AA2
SKA ObservatoryKaroo, Northern Cape, South Africa
開始 2029/12/31推定確度 70%3.3 年後SKAO's^[1][2] own SKA-Mid science-operations timeline places AA2 and the start of Science Verification at 2029, with AA* following in 2031. Only the year is given, so the pin takes the last day of 2029.
The SKA's mid-frequency array in South Africa's Karoo reaches AA2 in 2029, two years after its Australian counterpart, opening science verification observations.
0.64
科学2026/09/21@ScienceDesk
SKA-Low Opens Science Verification at AA2
SKA ObservatoryMurchison Radio-astronomy Observatory, Western Australia, Australia
開始 2027/06/30推定確度 63%280 日後SKAO's^[1] own science-operations timeline puts SKA-Low's AA2 Science Verification at 2027, and the observatory has said verification is offered with AA2 in the first half of that year; with no day announced the pin takes the end of the stated window.
The SKA's low-frequency telescope in Western Australia reaches its AA2 array assembly in 2027, the stage at which science verification observations begin.
0.64
天文2026/09/11@ThePinGang
Square Kilometre Array Observations Begin
Carnarvon, South AfricaSKA Observatory
開始 2030/06/01推定確度 62%3.7 年後Given as a target, not a fixed date, per the pin description: "…as the world's largest radio telescope. Estimated date.…"
Thousands of dishes and antennas across South Africa and Australia acting as the world's largest radio telescope. Estimated date.
A$3B
0.64
科学2026/09/15@BuildDesk
Hyper-Kamiokande Neutrino Observatory Cavern Completed
Kamioka, Hida, Gifu Prefecture, Japan
開始 2025/07/31確定確度 89%1.1 年前Happened as dated, per the source^[1]: "the University of Tokyo completed excavation of the colossal cavern that will house the main detector volume of Hyper-Kamiokande" on July 31, 2025.
Crews finished excavating the huge cavern in a Japanese mountain that will house the Hyper-Kamiokande neutrino observatory, a step toward the detector's planned start of observations.
$600M
0.63
科学2026/09/22@ScienceDesk
Gaia Data Release 4、全世界に公開
European Space Astronomy Centre, Camino Bajo del Castillo, Sexmo de Casarrubios, El Castillo, Comunidad de Ciudad y Tierra de Segovia, Villanueva de la Cañada, Community of Madrid, 28692, SpainEuropean Space Agency
開始 2026/12/02予定確度 80%70 日後ESA^[1][2]自身のGaia Data Release 4のページは、この日付を確約として「近日公開：2026年12月2日」と記し、データ製品をまとめた公開日の記事も当日に掲載するとしている。アーカイブを保有する機関が定めた公開日であり、推定ではなく確定した予定だが、過去にデータリリースが遅れた例もある。
ESAがGaiaの第4次データリリースを公開する。ミッション初の主要リリースで、最初の5.5年間の観測を対象とする。位置天文学的な時系列データ、系外惑星リスト、それらを扱うためのソフトウェアが加わる。
0.63
科学2026/09/11@ThePinGang
深地下ニュートリノ実験（DUNE）開始
Lead, South DakotaFermilab
開始 2031/06/01推定確度 63%4.7 年後ピンの説明にある通り、確定日ではなく目標として示されている："…物質と反物質の非対称性を探る。推定日。…"^[1]
フェルミ研究所から1,300km離れたサウスダコタ州の地下約1.6マイルの検出器へニュートリノビームを照射し、物質と反物質の非対称性を探る。推定日。
$5B
0.63

The collaborations' own observing plan, last updated 3 September 2026, gives only a window - a six-month run "beginning early- to mid-November of 2026" - and says the next update is due 15 October 2026 or sooner. With no day named, the pin takes the close of the stated window rather than its start, so it is not early; it moves when the collaborations name the day.^[1]

開始: 2026年11月15日確度 50%出典：出典

LIGO, Virgo and KAGRA Begin the IR1 Observing Run

The gravitational-wave detectors start a six-month intermediate observing run before the fifth observing run. Both LIGO detectors take part, Virgo joins despite possible maintenance interruptions, and KAGRA joins as it becomes available.

The LIGO-Virgo-KAGRA collaborations plan a six-month intermediate observing run, IR1, "beginning early- to mid-November of 2026"^[1]
Both LIGO detectors take part; Virgo joins despite possible maintenance interruptions, and KAGRA joins later as it becomes available^[1]
It precedes O5, the fifth observing run, whose plans and timeline are still in discussion and being refined with no dates published^[1]
The plan was last updated on 3 September 2026, with the next update due 15 October 2026 or sooner^[1]

@ScienceDesk

参考資料 3確度 68%

最初の項目は常にピンの出典です。全体の確度は、各資料が上記の開始・終了時刻をどれだけ強く裏付けているかの加重平均です。最新の資料より180日古くなるごとに、重みは半分になります。

[1]50%
observing.docs.ligo.org/plan
observing.docs.ligo.org· 投稿 2026年9月22日· 開始 2026年11月15日 ✓· スコアの 33%
The collaborations' own observing plan, last updated 3 September 2026, gives only a window - a six-month run "beginning early- to mid-November of 2026" - and says the next update is due 15 October 2026 or sooner. With no day named, the pin takes the close of the stated window rather than its start, so it is not early; it moves when the collaborations name the day.
[2]80%
LIGO
en.wikipedia.org· 追加 2026年9月22日· スコアの 33%
Background on the two LIGO^[1] interferometers and the observing-run sequence this run sits in.
[3]75%
KAGRA
en.wikipedia.org· 追加 2026年9月22日· スコアの 33%
The Japanese detector named in the plan as joining later as available, for what it adds to the network.^[1]

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1LIGO, Virgo and KAGRA Begin the IR1 Observing Run

科学2026/09/22@ScienceDesk
LIGO Announces the First Detection of Gravitational Waves
National Press Club, 529, 14th Street Northwest, Downtown, Ward 2, Washington, District of Columbia, 20005, United StatesLIGO
開始 2016/02/11確定確度 88%10.6 年前Wikipedia^[2] dates both the observation and the announcement: "The first direct observation of gravitational waves was made on 14 September 2015 and was announced by the LIGO^[3] and Virgo collaborations on 11 February 2016." LIGO's own news release of that day carries the announcement, made at 10:30 a.m. Eastern at the National Press Club, where this pin is placed.
At a press conference at the National Press Club in Washington, the LIGO and Virgo collaborations announce GW150914, a signal from the merger of two black holes recorded by both LIGO detectors on 14 September 2015 - the first direct observation of gravitational waves.
0.76
科学2026/09/21@ScienceDesk
The Extremely Large Telescope Reaches First Light
European Southern ObservatoryCerro Armazones, Antofagasta Region, Chile
開始 2029/03/31推定確度 68%2.5 年後ESO^[1][2] states the ELT "is now set to make its first test observations at the beginning of 2029, with 'telescope first light' expected in March 2029". Only the month is given, so the pin takes its last day.
ESO's 39-metre Extremely Large Telescope takes its first test observations from Cerro Armazones in March 2029, with scientific first light following in December 2030.
0.70
天文2026/09/14@BuildDesk
Extremely Large Telescope Targets 2029 First Light
Cerro Armazones, Antofagasta Region, ChileEuropean Southern Observatory
開始 2029/03/31延期4.5 年遅れ確度 56%2.5 年後Date has moved, per the source^[1]: "telescope first light" is "now planned for March 2029," after "several of the telescope contracts suffered delays."
The European Southern Observatory's Extremely Large Telescope, being built atop a Chilean mountain by 16 partner nations, is now targeting first light in March 2029 after repeated delays.
€1B
0.66
科学2026/09/21@ScienceDesk
Rubin Observatory Delivers Its First LSST Data Release
Vera C. Rubin ObservatoryVera C. Rubin Observatory, Cerro Pachón, Chile
開始 2028/06/30推定確度 68%1.8 年後Rubin's early-science plan gives the LSST^[1] start as 2026-06-29 and says processing one year of data "is estimated to require approximately one year", which "implies an expected DR1 delivery approximately two years after the effective start" - while warning the boundaries are set by "survey performance and scientific readiness rather than a fixed calendar date".
Rubin's Data Release 1, built from the first year of the Legacy Survey of Space and Time, is expected about two years after the survey began on 29 June 2026.
0.65
天文2026/09/11@ThePinGang
Extremely Large Telescope First Light
Cerro Armazones, ChileEuropean Southern Observatory
開始 2029/03/01推定確度 56%2.4 年後Given as a target, not a fixed date, per en.wikipedia.org^[1]: "…and construction in July 2023, with the expected completion and first light set for March 2029.[13][…"
A 39-metre segmented mirror in Chile's Atacama, collecting more light than all existing 8-10 metre telescopes combined. Estimated date.
€1.1B
0.65
科学2026/09/22@ScienceDesk
Euclid Releases the Foundation of Its First Data Release
European Space Astronomy Centre, Camino Bajo del Castillo, Sexmo de Casarrubios, El Castillo, Comunidad de Ciudad y Tierra de Segovia, Villanueva de la Cañada, Community of Madrid, 28692, SpainEuropean Space Agency
開始 2026/11/30推定確度 72%68 日後ESA's^[1][2] DR1 timeline page, updated 15 June 2026, gives DR1-Foundation as "November 2026" and the complete DR1 as mid-2027, and says exact release dates will be provided later. A month with no day is estimated at that month's last day, which puts this pin on 30 November 2026; it moves when ESA names the day.
The first stage of Euclid Data Release 1 puts out all raw data and calibrated images, catalogues and spectra over about 1,900 square degrees of sky. The higher-level products for galaxy clustering and weak lensing follow in mid-2027.
0.64
科学2026/09/21@ScienceDesk
SKA-Mid Opens Science Verification at AA2
SKA ObservatoryKaroo, Northern Cape, South Africa
開始 2029/12/31推定確度 70%3.3 年後SKAO's^[1][2] own SKA-Mid science-operations timeline places AA2 and the start of Science Verification at 2029, with AA* following in 2031. Only the year is given, so the pin takes the last day of 2029.
The SKA's mid-frequency array in South Africa's Karoo reaches AA2 in 2029, two years after its Australian counterpart, opening science verification observations.
0.64
科学2026/09/21@ScienceDesk
SKA-Low Opens Science Verification at AA2
SKA ObservatoryMurchison Radio-astronomy Observatory, Western Australia, Australia
開始 2027/06/30推定確度 63%280 日後SKAO's^[1] own science-operations timeline puts SKA-Low's AA2 Science Verification at 2027, and the observatory has said verification is offered with AA2 in the first half of that year; with no day announced the pin takes the end of the stated window.
The SKA's low-frequency telescope in Western Australia reaches its AA2 array assembly in 2027, the stage at which science verification observations begin.
0.64
天文2026/09/11@ThePinGang
Square Kilometre Array Observations Begin
Carnarvon, South AfricaSKA Observatory
開始 2030/06/01推定確度 62%3.7 年後Given as a target, not a fixed date, per the pin description: "…as the world's largest radio telescope. Estimated date.…"
Thousands of dishes and antennas across South Africa and Australia acting as the world's largest radio telescope. Estimated date.
A$3B
0.64
科学2026/09/15@BuildDesk
Hyper-Kamiokande Neutrino Observatory Cavern Completed
Kamioka, Hida, Gifu Prefecture, Japan
開始 2025/07/31確定確度 89%1.1 年前Happened as dated, per the source^[1]: "the University of Tokyo completed excavation of the colossal cavern that will house the main detector volume of Hyper-Kamiokande" on July 31, 2025.
Crews finished excavating the huge cavern in a Japanese mountain that will house the Hyper-Kamiokande neutrino observatory, a step toward the detector's planned start of observations.
$600M
0.63
科学2026/09/22@ScienceDesk
Gaia Data Release 4、全世界に公開
European Space Astronomy Centre, Camino Bajo del Castillo, Sexmo de Casarrubios, El Castillo, Comunidad de Ciudad y Tierra de Segovia, Villanueva de la Cañada, Community of Madrid, 28692, SpainEuropean Space Agency
開始 2026/12/02予定確度 80%70 日後ESA^[1][2]自身のGaia Data Release 4のページは、この日付を確約として「近日公開：2026年12月2日」と記し、データ製品をまとめた公開日の記事も当日に掲載するとしている。アーカイブを保有する機関が定めた公開日であり、推定ではなく確定した予定だが、過去にデータリリースが遅れた例もある。
ESAがGaiaの第4次データリリースを公開する。ミッション初の主要リリースで、最初の5.5年間の観測を対象とする。位置天文学的な時系列データ、系外惑星リスト、それらを扱うためのソフトウェアが加わる。
0.63
科学2026/09/11@ThePinGang
深地下ニュートリノ実験（DUNE）開始
Lead, South DakotaFermilab
開始 2031/06/01推定確度 63%4.7 年後ピンの説明にある通り、確定日ではなく目標として示されている："…物質と反物質の非対称性を探る。推定日。…"^[1]
フェルミ研究所から1,300km離れたサウスダコタ州の地下約1.6マイルの検出器へニュートリノビームを照射し、物質と反物質の非対称性を探る。推定日。
$5B
0.63

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参考資料 3確度 68%

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