people from different nations have contributed to the field of astronomy . Name some of these nations
Answers
Aryabhata (India, 476–550)
Marc Aaronson (USA, 1950–1987)
George Ogden Abell (USA, 1927–1983)
Hiroshi Abe (Japan, 1958–)
Antonio Abetti (Italy, 1846–1928)
Giorgio Abetti (Italy, 1882–1982)
Charles Greeley Abbot (USA, 1872–1973)
Charles Hitchcock Adams (USA, 1868–1951)
John Couch Adams (UK, 1819–1892)
Walter Sydney Adams (USA, 1876–1956)
Saul Adelman (USA, 1944–)
Petrus Alphonsi (Spain, 1062–1110)
Agrippa (Greece, fl. ca. 92)
Paul Oswald Ahnert (Germany, 1897–1989)
Eva Ahnert-Rohlfs (Germany, 1912–1954)
George Biddell Airy (UK, 1801–1892)
Robert Aitken, (USA, 1864–1951)
Makio Akiyama (Japan, 1950–)
Al Battani (Iraq, 850–929)
Albategnius (see Al-Batani)
Vladimir Aleksandrovich Albitzky (Russia, 1891–1952)
Albumasar (Persia 787–886)
George Alcock (UK, 1913–2000)
Harold Alden (USA, 1890–1964)
Hannes Alfvén (Sweden, 1908–1995)
Lawrence H. Aller (USA, 1913–2003)
Abd Al-Rahman Al Sufi (Persia, 903–986)
Viktor Amazaspovich Ambartsumian, (Armenia, 1912–1996)
John August Anderson (USA, 1876–1959)
Wilhelm Anderson (Estonia, 1880–1940)
Marie Henri Andoyer (France, 1862–1929)
Andronicus of Cyrrhus (Greece, fl. 100 BC)
Anders Jonas Ångström (Sweden, 1814–1874)
Eugène Michel Antoniadi (Greece-France, 1870–1944)
Masakatsu Aoki (Japan, 1957–)
Petrus Apianus (Germany, 1495–1557)
François Arago (France, 1786–1853)
Masaru Arai (Japan, 1952–)
Hiroshi Araki (Japan)
Sylvain Arend (Belgium, 1902–1992)
Friedrich Wilhelm Argelander (Germany, 1799–1875)
Aristarchus of Samos (Greece, ca. 310 BC–ca. 230 BC)
Christoph Arnold (Germany, 1650–1695)
Halton Christian Arp (USA, 1927–2013)
Svante Arrhenius (Sweden, 1859–1927)
Arzachel (Spain, 1028–1087)
Asada Goryu (Japan, 1734–1799)
Atsuo Asami (Japan)
Giuseppe Asclepi (Italy, 1706–1776)
Joseph Ashbrook (USA, 1918–1980)
Arthur Auwers (Germany, 1838–1915)
Adrien Auzout (France, 1622–1691)
David Axon (England, 1951–2012)
B
Brahmagupta (India, 598–668 CE)
Bhaskara I (India, 629 CE)
Bhaskara II (India, 1114–1185)
Walter Baade (Germany, 1893–1960)
Harold D. Babcock (USA, 1882–1968)
Horace W. Babcock (USA, 1912–2003)
Oskar Backlund (Sweden, 1846–1916)
John N. Bahcall (USA, 1934–2005)
Yoshiaki Banno (Japan, 1952–1991)
Benjamin Baillaud (France, 1848–1934)
Jules Baillaud (France, 1876–1960)
Jean-Baptiste Baille (France, 1841–1918)
Jean Sylvain Bailly (France, 1736–1793)
Francis Baily (UK, 1774–1844)
John Bainbridge (UK, 1582–1643)
John E. Baldwin (UK, 1931–2010)
Sallie Baliunas (USA, 1953–)
Zoltán Balog (Hungary/USA, 1972–)
Benjamin Banneker (USA, 1731–1806)
Pietro Baracchi (Italy, Australia, 1851–1926)
Beatriz Barbuy (Brazil, 1950–)
Edward Emerson Barnard (USA, 1857–1923)
Julius Bauschinger (France, 1860–1934)
Johann Bayer (Germany, 1572–1625)
Antonín Bečvář (Slovakia, 1901–1965)
Wilhelm Beer (Germany, 1797–1850)
Sergei Ivanovich Belyavsky (Russia, 1883–1953)
Charles L. Bennett (USA, 1956–)
Jocelyn Bell Burnell (UK, 1943–)
Friedrich Wilhelm Bessel (Germany, 1784–1846)
Somnath Bharadwaj (India, 1964–)
Wilhelm Freiherr von Biela (Austria, 1782–1856)
Ludwig Biermann (Germany, 1907–1986)
Wolf Bickel (Germany. 1942–)
Guillaume Bigourdan (France, 1851–1932)
James Binney (UK, 1950–)
Biruni (Persia, 973–1048)
Gennady S. Bisnovatyi-Kogan (Russia, 1941–)
Adriaan Blaauw (Netherlands, 1914–2010)
Nathaniel Bliss (UK, 1700–1764)
Johann Elert Bode (Germany, 1747–1826)
Alfred Bohrmann (Germany, 1904–2000)
Bart Bok (Netherlands, 1906–1983)
Charles Thomas Bolton (USA, 1943–)
John Gatenby Bolton (UK/Australia, 1922–1993)
William Cranch Bond (USA, 1789–1859)
Alphonse Borrelly (France, 1842–1926)
Rudjer Boscovich (Dalmatia, 1711–1787)
Lewis Boss (USA, 1846–1912)
Alexis Bouvard (France, 1767–1843)
Rychard Bouwens (USA, 1972–)
Edward L. G. Bowell (USA, 1943–)
Ira Sprague Bowen (USA, 1898–1973)
Louis Boyer (France, 1901–1999)
Brian J. Boyle (Scotland and Australia, 1960–)
Ronald N. Bracewell (Australia, USA, 1921–2007)
James Bradley (UK, 1693–1762)
William A. Bradfield (New Zealand, Australia, 1927–2014)
Andre Louis Danjon (France, 1890–1967)
Bryan Gaensler (Australia, 1973–)
Georges Lemaître (Belgium, 1894–1966)
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