Lîsteya stêrnasan
Lîsteya stêrnas an yên herî navdar.

A 
 Marc Aaronson 1950 – 1987)
 George Ogden Abell  1927 – 1983)
 Antonio Abetti (Îtalya, 1846 – 1928)
 Giorgio Abetti (Îtalya, 1882 – 1982)
 Charles Greeley Abbot ( 1872 – 1973)
 Charles Hitchcock Adams (1868 – 1951)
 John Couch Adams  1819 – 1892)
 Walter Sydney Adams  1876 – 1956)
 Saul Adelman (1944 -)
 Paul Oswald Ahnert (Almanya, 1897 – 1989) 
 Eva Ahnert-Rohlfs (Almanya, 1912 – 1954) 
 George Biddell Airy, (Îngilîzî, 1801 – 1892)
 Robert Aitken, 1864 – 1951)
 Betanî (Iraq, 850 – 929)
 Vladimir Aleksandrovich Albitzky (Rusya)
 Ebû Maşer Belxî (Îran 787 - 886)
 George Alcock  (1913 – 2000)
 Harold Alden (1890 – 1964) 
 Hannes Alfvén  1908 – 1995)
 Ali Kuşçu  1403 - 1474)
 Lawrence H. Aller (1913 – 2003)
 Ebdurehman Sûfî, ( 903 – 986) 
 Viktor Amazaspovich Ambartsumian, (Ermenistan, 1912 – 1996)
 John August Anderson, ( 1876 – 1959)
 Andronicus of Cyrrhus
 Anders Jonas Ångström (1814 – 1874)
 Eugène Michel Antoniadi (Yewnanî, Fransa, 1870 – 1944)
 Petrus Apianus (Almanya, 1495 – 1557)
 François Arago (Fransa, 1786 – 1853)
 Sylvain Arend (Belçika, 1902 – 1992)
 Friedrich Wilhelm Argelander (Almanya, 1799 – 1875)
 Christoph Arnold (Almanya, 1650 – 1695)
 Svante Arrhenius (İsveç, 1859 – 1927)
 Arzachel (, 1028 – 1087)
 Goryu Asada (Japonya, 1734 –1799)
 Giuseppe Asclepi (Îtalya, 1706 – 1776)
 Joseph Ashbrook ( 1918 – 4 Ağustos 1980)
 Arthur Auwers (Almanya, 1838 – 1915)
 Adrien Auzout (Fransa, 1622 – 1691)
 Evdirehmanê Axtepî (Kurdistan 1850 - 1905)

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