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Members of the Academy in 1667 with Louis XIV

Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into two or three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the social sciences (e.g., economics, psychology, and sociology), which study individuals and societies. Applied sciences are disciplines that use scientific knowledge for practical purposes, such as engineering and medicine. While sometimes referred to as the formal sciences, the study of logic, mathematics, and theoretical computer science (which study formal systems governed by axioms and rules) are typically regarded as separate because they rely on deductive reasoning instead of the scientific method or empirical evidence as their main methodology. (Full article...)

Outline of science

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  • Image 1 Total solar eclipse A total solar eclipse occurs when the Moon completely covers the Sun's disk. Solar prominences can be seen along the limb (in red) as well as extensively the coronal and partly the radiating coronal streamers. (August 11, 1999) A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially. Such an alignment occurs approximately every six months, during the eclipse season in its new moon phase, when the Moon's orbital plane is closest to the plane of Earth's orbit. In a total eclipse, the disk of the Sun is fully obscured by the Moon. In partial and annular eclipses, only part of the Sun is obscured. Unlike a lunar eclipse, which may be viewed from anywhere on the night side of Earth, a solar eclipse can only be viewed from a relatively small area of the world. As such, although total solar eclipses occur somewhere on Earth every 18 months on average, they recur at any given place only once every 360 to 410 years. (Full article...)

    Total solar eclipse
    Total solar eclipse
    A total solar eclipse occurs when the Moon completely covers the Sun's disk. Solar prominences can be seen along the limb (in red) as well as extensively the coronal and partly the radiating coronal streamers. (August 11, 1999)

    A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially. Such an alignment occurs approximately every six months, during the eclipse season in its new moon phase, when the Moon's orbital plane is closest to the plane of Earth's orbit. In a total eclipse, the disk of the Sun is fully obscured by the Moon. In partial and annular eclipses, only part of the Sun is obscured. Unlike a lunar eclipse, which may be viewed from anywhere on the night side of Earth, a solar eclipse can only be viewed from a relatively small area of the world. As such, although total solar eclipses occur somewhere on Earth every 18 months on average, they recur at any given place only once every 360 to 410 years. (Full article...)
  • Image 2 T. d. derbianus Senegal The giant eland (Taurotragus derbianus), also known as the Lord Derby's eland and greater eland, is an open-forest and savanna antelope. A species of the family Bovidae and genus Taurotragus, it was described in 1847 by John Edward Gray. The giant eland is the largest species of antelope, with a body length ranging from 220–290 cm (7.2–9.5 ft). There are two subspecies: T. d. derbianus and T. d. gigas. (Full article...)

    T. d. derbianus
    Senegal

    The giant eland (Taurotragus derbianus), also known as the Lord Derby's eland and greater eland, is an open-forest and savanna antelope. A species of the family Bovidae and genus Taurotragus, it was described in 1847 by John Edward Gray. The giant eland is the largest species of antelope, with a body length ranging from 220–290 cm (7.2–9.5 ft). There are two subspecies: T. d. derbianus and T. d. gigas. (Full article...)
  • Image 3 Display case reconstructing the arrangement of the hoard treasure when excavated. The Hoxne Hoard (/ˈhɒksən/ HOK-sən) is the largest hoard of late Roman silver and gold discovered in Britain, and the largest collection of gold and silver coins of the fourth and fifth centuries found anywhere within the former Roman Empire. It was found by Eric Lawes, a metal detectorist in the village of Hoxne in Suffolk, England in 1992. The hoard consists of 14,865 Roman gold, silver, and bronze coins and approximately 200 items of silver tableware and gold jewellery. The objects are now in the British Museum in London, where the most important pieces and a selection of the rest are on permanent display. In 1993, the Treasure Valuation Committee valued the hoard at £1.75 million (about £4.5 million in 2023). (Full article...)

    Transparent perspex box containing a shelf, two inner boxes, a large silver dish and many dozens of coins. The smaller inner box contains coins, whereas the larger contains two goblets and stacked ladles. The shelf holds gold bracelets, gold chains, and engraved spoons.
    Display case reconstructing the arrangement of the hoard treasure when excavated.

    The Hoxne Hoard (/ˈhɒksən/ HOK-sən) is the largest hoard of late Roman silver and gold discovered in Britain, and the largest collection of gold and silver coins of the fourth and fifth centuries found anywhere within the former Roman Empire. It was found by Eric Lawes, a metal detectorist in the village of Hoxne in Suffolk, England in 1992. The hoard consists of 14,865 Roman gold, silver, and bronze coins and approximately 200 items of silver tableware and gold jewellery. The objects are now in the British Museum in London, where the most important pieces and a selection of the rest are on permanent display. In 1993, the Treasure Valuation Committee valued the hoard at £1.75 million (about £4.5 million in 2023). (Full article...)
  • Image 4 Hottentotta tamulus from Mangaon, Maharashtra, India Scorpions are predatory arachnids of the order Scorpiones. They have eight legs and are easily recognized by a pair of grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. The evolutionary history of scorpions goes back 435 million years. They mainly live in deserts but have adapted to a wide range of environmental conditions, and can be found on all continents except Antarctica. There are over 2,500 described species, with 22 extant (living) families recognized to date. Their taxonomy is being revised to account for 21st-century genomic studies. (Full article...)

    Hottentotta tamulus from Mangaon, Maharashtra, India

    Scorpions are predatory arachnids of the order Scorpiones. They have eight legs and are easily recognized by a pair of grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. The evolutionary history of scorpions goes back 435 million years. They mainly live in deserts but have adapted to a wide range of environmental conditions, and can be found on all continents except Antarctica. There are over 2,500 described species, with 22 extant (living) families recognized to date. Their taxonomy is being revised to account for 21st-century genomic studies. (Full article...)
  • Image 5 Imperator torosus, commonly known as the brawny bolete, is a species of bolete fungus in the family Boletaceae. It is native to southern Europe east to the Caucasus and Israel. It is generally associated with deciduous trees such as hornbeam, oak and beech in warm, dry locales. Although generally rare in Europe, it appears to be relatively common in Hungary. Appearing in summer and autumn on chalky soils, the stocky fruit bodies have an ochre cap up to 20 cm (8 in) across, yellow pores on the cap underside, and a wine-red to brown or blackish stipe up to 6–15 cm (2.4–5.9 in) long by 3–6 cm (1.2–2.4 in) wide. The pale yellow flesh changes to different colours when broken or bruised depending on age; younger mushrooms become reddish, and older ones additionally take on bluish tones. (Full article...)

    Imperator torosus, commonly known as the brawny bolete, is a species of bolete fungus in the family Boletaceae. It is native to southern Europe east to the Caucasus and Israel. It is generally associated with deciduous trees such as hornbeam, oak and beech in warm, dry locales. Although generally rare in Europe, it appears to be relatively common in Hungary. Appearing in summer and autumn on chalky soils, the stocky fruit bodies have an ochre cap up to 20 cm (8 in) across, yellow pores on the cap underside, and a wine-red to brown or blackish stipe up to 6–15 cm (2.4–5.9 in) long by 3–6 cm (1.2–2.4 in) wide. The pale yellow flesh changes to different colours when broken or bruised depending on age; younger mushrooms become reddish, and older ones additionally take on bluish tones. (Full article...)
  • Image 6 Pale crag martin flying in the Eastern Desert, Southern Egypt. The pale crag martin (Ptyonoprogne obsoleta) is a small passerine bird in the swallow family that is resident in Northern Africa and in Southwestern Asia, east to Pakistan. It breeds mainly in the mountains, but also at lower altitudes, especially in rocky areas and around towns. Unlike most swallows, it is often found far from water. It is 12–13 cm (4+1⁄2–5 in) long, with mainly brown plumage, paler-toned on the upper breast and underwing coverts, and with white "windows" on the spread tail in flight. The sexes are similar in appearance, but juveniles have pale fringes to the upperparts and flight feathers. It was formerly considered to be the northern subspecies of the rock martin of southern Africa, although it is smaller, paler, and whiter-throated than that species. The pale crag martin hunts along cliff faces for flying insects using a slow flight with much gliding. Its call is a soft twitter. (Full article...)

    Pale crag martin flying in the Eastern Desert, Southern Egypt.

    The pale crag martin (Ptyonoprogne obsoleta) is a small passerine bird in the swallow family that is resident in Northern Africa and in Southwestern Asia, east to Pakistan. It breeds mainly in the mountains, but also at lower altitudes, especially in rocky areas and around towns. Unlike most swallows, it is often found far from water. It is 12–13 cm (4+1⁄2–5 in) long, with mainly brown plumage, paler-toned on the upper breast and underwing coverts, and with white "windows" on the spread tail in flight. The sexes are similar in appearance, but juveniles have pale fringes to the upperparts and flight feathers. It was formerly considered to be the northern subspecies of the rock martin of southern Africa, although it is smaller, paler, and whiter-throated than that species. The pale crag martin hunts along cliff faces for flying insects using a slow flight with much gliding. Its call is a soft twitter. (Full article...)
  • Image 7 Wild form of Xerochrysum bracteatum Xerochrysum bracteatum, commonly known as the golden everlasting or strawflower, is a flowering plant in the family Asteraceae native to Australia. Described by Étienne Pierre Ventenat in 1803, it was known as Helichrysum bracteatum for many years before being transferred to a new genus Xerochrysum in 1990. It is an annual up to 1 m (3.3 ft) tall with green or grey leafy foliage. Golden yellow or white flower heads are produced from spring to autumn; their distinctive feature is the papery bracts that resemble petals. The species is widespread, growing in a variety of habitats across the country, from rainforest margins to deserts and subalpine areas. The golden everlasting serves as food for various larvae of lepidopterans (butterflies and moths), and adult butterflies, hoverflies, native bees, small beetles, and grasshoppers visit the flower heads. (Full article...)

    Wild form of Xerochrysum bracteatum

    Xerochrysum bracteatum, commonly known as the golden everlasting or strawflower, is a flowering plant in the family Asteraceae native to Australia. Described by Étienne Pierre Ventenat in 1803, it was known as Helichrysum bracteatum for many years before being transferred to a new genus Xerochrysum in 1990. It is an annual up to 1 m (3.3 ft) tall with green or grey leafy foliage. Golden yellow or white flower heads are produced from spring to autumn; their distinctive feature is the papery bracts that resemble petals. The species is widespread, growing in a variety of habitats across the country, from rainforest margins to deserts and subalpine areas. The golden everlasting serves as food for various larvae of lepidopterans (butterflies and moths), and adult butterflies, hoverflies, native bees, small beetles, and grasshoppers visit the flower heads. (Full article...)
  • Image 8 Mauna Kea in December 2007, with its seasonal snow cap visible Mauna Kea (/ˌmɔːnə ˈkeɪə, ˌmaʊnə -/, Hawaiian: [ˈmɐwnə ˈkɛjə]; abbreviation for Mauna a Wākea) is a dormant shield volcano on the island of Hawaiʻi. Its peak is 4,207.3 m (13,803 ft) above sea level, making it the highest point in Hawaii and the island with the second highest high point, behind New Guinea, the world's largest tropical island with multiple peaks that are higher. The peak is about 38 m (125 ft) higher than Mauna Loa, its more massive neighbor. Mauna Kea is unusually topographically prominent for its height: its prominence from sea level is 15th in the world among mountains, at 4,207.3 m (13,803 ft); its prominence from under the ocean is 9,330 m (30,610 ft), rivaled only by Mount Everest. This dry prominence is greater than Everest's height above sea level of 8,848.86 m (29,032 ft), and some authorities have labeled Mauna Kea the tallest mountain in the world, from its underwater base. Mauna Kea is ranked 8th by topographic isolation.[citation needed] (Full article...)

    Mauna Kea in December 2007, with its seasonal snow cap visible

    Mauna Kea (/ˌmɔːnə ˈkeɪə, ˌmaʊnə -/, Hawaiian: [ˈmɐwnə ˈkɛjə]; abbreviation for Mauna a Wākea) is a dormant shield volcano on the island of Hawaiʻi. Its peak is 4,207.3 m (13,803 ft) above sea level, making it the highest point in Hawaii and the island with the second highest high point, behind New Guinea, the world's largest tropical island with multiple peaks that are higher. The peak is about 38 m (125 ft) higher than Mauna Loa, its more massive neighbor. Mauna Kea is unusually topographically prominent for its height: its prominence from sea level is 15th in the world among mountains, at 4,207.3 m (13,803 ft); its prominence from under the ocean is 9,330 m (30,610 ft), rivaled only by Mount Everest. This dry prominence is greater than Everest's height above sea level of 8,848.86 m (29,032 ft), and some authorities have labeled Mauna Kea the tallest mountain in the world, from its underwater base. Mauna Kea is ranked 8th by topographic isolation.[citation needed] (Full article...)
  • Image 9 Tumbler Ridge is a district municipality in the foothills of the B.C. Rockies in northeastern British Columbia, Canada, and a member municipality of the Peace River Regional District. With a population of 2,399 (2021) living in a townsite, the municipality encompasses an area of 1,558 km2 (602 sq mi) of mostly Crown land. The townsite is located near the confluence of the Murray River and Flatbed Creek and the intersection of Highway 52 and Highway 29 and includes the site of the Tumbler Ridge Secondary School and Tumbler Ridge Airport. It is part of the Peace River South provincial electoral district and the Prince George—Peace River—Northern Rockies federal riding. (Full article...)
    Tumbler Ridge is a district municipality in the foothills of the B.C. Rockies in northeastern British Columbia, Canada, and a member municipality of the Peace River Regional District. With a population of 2,399 (2021) living in a townsite, the municipality encompasses an area of 1,558 km2 (602 sq mi) of mostly Crown land. The townsite is located near the confluence of the Murray River and Flatbed Creek and the intersection of Highway 52 and Highway 29 and includes the site of the Tumbler Ridge Secondary School and Tumbler Ridge Airport. It is part of the Peace River South provincial electoral district and the Prince George—Peace River—Northern Rockies federal riding. (Full article...)
  • Image 10 The Temple of Eshmun (Arabic: معبد أشمون) is an ancient place of worship dedicated to Eshmun, the Phoenician god of healing. It is located near the Awali river, 2 kilometres (1.2 mi) northeast of Sidon in southwestern Lebanon. The site was occupied from the 7th century BC to the 8th century AD, suggesting an integrated relationship with the nearby city of Sidon. Although originally constructed by Sidonian king Eshmunazar II in the Achaemenid era (c. 529–333 BC) to celebrate the city's recovered wealth and stature, the temple complex was greatly expanded by Bodashtart, Yatonmilk and later monarchs. Because the continued expansion spanned many centuries of alternating independence and foreign hegemony, the sanctuary features a wealth of different architectural and decorative styles and influences. (Full article...)

    The Temple of Eshmun (Arabic: معبد أشمون) is an ancient place of worship dedicated to Eshmun, the Phoenician god of healing. It is located near the Awali river, 2 kilometres (1.2 mi) northeast of Sidon in southwestern Lebanon. The site was occupied from the 7th century BC to the 8th century AD, suggesting an integrated relationship with the nearby city of Sidon. Although originally constructed by Sidonian king Eshmunazar II in the Achaemenid era (c. 529–333 BC) to celebrate the city's recovered wealth and stature, the temple complex was greatly expanded by Bodashtart, Yatonmilk and later monarchs. Because the continued expansion spanned many centuries of alternating independence and foreign hegemony, the sanctuary features a wealth of different architectural and decorative styles and influences. (Full article...)
  • - style="vertical-align:top" (Full article...)
    - style="vertical-align:top" (Full article...)
  • Image 12 Alan Shepard and the American flag on the Moon, Apollo 14, February 1971 (photo by Edgar Mitchell) Apollo 14 (January 31 – February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to land on the Moon, and the first to land in the lunar highlands. It was the last of the "H missions", landings at specific sites of scientific interest on the Moon for two-day stays with two lunar extravehicular activities (EVAs or moonwalks). (Full article...)

    Alan Shepard and the American flag on the Moon, Apollo 14, February 1971 (photo by Edgar Mitchell)

    Apollo 14 (January 31 – February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to land on the Moon, and the first to land in the lunar highlands. It was the last of the "H missions", landings at specific sites of scientific interest on the Moon for two-day stays with two lunar extravehicular activities (EVAs or moonwalks). (Full article...)
  • Image 13 The nuclear reaction theorised by Meitner and Frisch with the following nuclear chain reaction theorized by Hahn and Strassmann Nuclear fission was discovered in December 1938 by chemists Otto Hahn and Fritz Strassmann and physicists Lise Meitner and Otto Robert Frisch. Fission is a nuclear reaction or radioactive decay process in which the nucleus of an atom splits into two or more smaller, lighter nuclei and often other particles. The fission process often produces gamma rays and releases a very large amount of energy, even by the energetic standards of radioactive decay. Scientists already knew about alpha decay and beta decay, but fission assumed great importance because the discovery that a nuclear chain reaction was possible led to the development of nuclear power and nuclear weapons. Hahn was awarded the 1944 Nobel Prize in Chemistry for the discovery of nuclear fission. (Full article...)
    The nuclear reaction theorised by Meitner and Frisch with the following nuclear chain reaction theorized by Hahn and Strassmann


    Nuclear fission was discovered in December 1938 by chemists Otto Hahn and Fritz Strassmann and physicists Lise Meitner and Otto Robert Frisch. Fission is a nuclear reaction or radioactive decay process in which the nucleus of an atom splits into two or more smaller, lighter nuclei and often other particles. The fission process often produces gamma rays and releases a very large amount of energy, even by the energetic standards of radioactive decay. Scientists already knew about alpha decay and beta decay, but fission assumed great importance because the discovery that a nuclear chain reaction was possible led to the development of nuclear power and nuclear weapons. Hahn was awarded the 1944 Nobel Prize in Chemistry for the discovery of nuclear fission. (Full article...)
  • Image 14 Engraving captioned Urania riphaeus from Charles D. d'Orbigny's Dictionnaire universel d'histoire naturelle (1849) Chrysiridia rhipheus, the Madagascan sunset moth, is a species of day-flying moth of the family Uraniidae. It is considered one of the most impressive and appealing-looking lepidopterans. Famous worldwide, it is featured in most coffee table books on Lepidoptera and is much sought after by collectors, though many older sources misspell the species name as "ripheus". The colours originate from optical interference in the iridescent parts of the wings, while the black parts are pigmented. Adults have a wingspan of 7–9 cm (2.8–3.5 in). (Full article...)

    Engraving captioned Urania riphaeus from Charles D. d'Orbigny's Dictionnaire universel d'histoire naturelle (1849)

    Chrysiridia rhipheus, the Madagascan sunset moth, is a species of day-flying moth of the family Uraniidae. It is considered one of the most impressive and appealing-looking lepidopterans. Famous worldwide, it is featured in most coffee table books on Lepidoptera and is much sought after by collectors, though many older sources misspell the species name as "ripheus". The colours originate from optical interference in the iridescent parts of the wings, while the black parts are pigmented. Adults have a wingspan of 7–9 cm (2.8–3.5 in). (Full article...)
  • Image 15 J. Robert Oppenheimer was probed in a controversial four-week hearing in 1954. Over four weeks in 1954, the United States Atomic Energy Commission (AEC) explored the background, actions, and associations of J. Robert Oppenheimer, the American scientist who directed the Los Alamos Laboratory during World War II as part of the Manhattan Project to develop the atomic bomb. The hearing resulted in Oppenheimer's Q clearance being revoked. This marked the end of his formal relationship with the government of the United States and generated considerable controversy regarding whether the treatment of Oppenheimer was fair, or whether it was an expression of anti-communist McCarthyism. (Full article...)

    J. Robert Oppenheimer was probed in a controversial four-week hearing in 1954.

    Over four weeks in 1954, the United States Atomic Energy Commission (AEC) explored the background, actions, and associations of J. Robert Oppenheimer, the American scientist who directed the Los Alamos Laboratory during World War II as part of the Manhattan Project to develop the atomic bomb. The hearing resulted in Oppenheimer's Q clearance being revoked. This marked the end of his formal relationship with the government of the United States and generated considerable controversy regarding whether the treatment of Oppenheimer was fair, or whether it was an expression of anti-communist McCarthyism. (Full article...)
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    The Hubble Ultra-Deep Field image shows some of the most remote galaxies visible to present technology (diagonal is ~1/10 apparent Moon diameter)

    The universe is all of space and time and their contents. It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments. Since the early 20th century, the field of cosmology establishes that space and time emerged together at the Big Bang 13.787±0.020 billion years ago and that the universe has been expanding since then. The portion of the universe that can be seen by humans is approximately 93 billion light-years in diameter at present, but the total size of the universe is not known. (Full article...)

    Did you know...

    Did you know it about Science?
    • ... that Australian Madeleine Steere played water polo professionally in Turkey after studying biomolecular science in the United States?
    • ... that a job offer from the Empire Cinema saved science fiction writer John Russell Fearn from factory-based war work that "damned near killed [him]"?
    • ... that the communist-era science-fiction novel Małe zielone ludziki presents a futuristic depiction of Africa that reflects Polish perceptions of the continent during the Cold War?
    • ... that a poem by Moses da Rieti includes an encyclopedia of the sciences, a Jewish paradise fantasy, and a post-biblical history of Jewish literature?
    • ... that Mary Clutter used her directorial position at the National Science Foundation to require scientific conferences to include women speakers when presenting research done by them?
    • ... that after Ursula K. Le Guin published her collection The Wind's Twelve Quarters, a reviewer called her the "ideal science fiction writer for readers who ordinarily dislike science fiction"?

    Get involved

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    Science things you can do
    Many naturally occurring phenomena approximate a normal distribution.
    Many naturally occurring phenomena approximate a normal distribution.
    • Integrate relatively new scientific knowledge and findings (major studies reported on by RS) into relevant articles
    • Expand 2025 in science and/or other articles for science-related topics of the year (in the box on the right)
      • Create new articles for items of this article, mostly articles relating to new scientific fields/topics/findings (the page does not use redlinks anymore but you will quickly identify possible new articles when reading it; here you can find a version with over 60 redlinked examples)
      • Some of the lists' items have not yet been integrated into their wikilinked articles; if you add a study there it should also be relevant to at least one other article
      • Maybe this could be done as part of an organized effort
    • Find[how?] studies published under a compatible open license (like CC BY 4.0) and upload the studies' images with descriptions from the study and add these images to articles if they are relevant and useful there
      • When a study with a useful image is published under an incompatible or unclear license (or the image is published not in a study but elsewhere), you could contact its authors (Twitter/Mail) and ask them to give you the permission to upload them under CC BY 4.0 (or whether they could upload the image/s under a compatible license)
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    Science News

    Further information: 2025 in science
    1 April 2025 – Private spaceflight
    SpaceX successfully launches four humans into orbit over Earth’s poles for the first time for the human spaceflight mission Fram2. The journey will last three to five days. (The New York Times)
    26 March 2025 –
    Scientists discover Mongolian dinosaur Duonychus tsogtbaatari. (NBC News)
    25 March 2025 –
    A 6.7 magnitude earthquake hits New Zealand causing a tsunami warning to be issued. A tsunami was then spotted in Fiordland. [1]
    7 March 2025 – Stand Up for Science 2025
    Organized demonstrations and walkouts of scientists take place across 30 cities in the United States and France in protest of the Donald Trump administration's grant budget and employment cuts to several government scientific agencies. (AP)
    6 March 2025 –
    According to a report in the academic journal Science, the population of the 554 recorded species of butterflies in the U.S. have declined by 22% since 2000. (NPR)
    6 March 2025 – 2025 in spaceflight
    Starship flight test 8

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    1. ^ https://www.nzherald.co.nz/nz/67-southland-quake-struck-in-tsunami-prone-region-poorly-understood-by-scientists/MLZSBREMVZHXZNYS5B2QX2FKPI/
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