ASTRONOMY

The astronomer's job is to observe, describe and explain objects in space. Astronomy is a scientific study of objects in space.

Sometimes you may ask your self what is Astronomy, ''what does it have to do with anything''. Well astronomy is a natural science that deals with the study of celestial objects such as moons, planets, stars, nebulae, and galaxies. It helps you understand the moon that you see at night, the planets that orbit around your sun, the stars that help make the night sky shine in beauty, and the great Milky Way that all of moons, planets, stars living in it. And Astronomy is one of the oldest sciences.

There comes time for everything like when you ask your self how did science,astronomy,and math get Started. You may go to google or yahoo to find your answer and you will get

List of astronomers from over the world

This is a list of scientists and scholars from over the world who lived in all time periods, In some cases, their exact ancestry is unclear.

A

• Aryabhata (India, 476)

• Marc Aaronson (USA, 1950 — 1987)

• Paul G. Abel (UK, 1979 — )

• George O. 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, unknown 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, unknown ca. 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, circa 310 BC — circa 230 BC)

• Christoph Arnold (Germany, 1650 — 1695)

• Halton Christian Arp (USA, 1927 — )

• 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 — )

• Alex Louis Armstrong (Amestris)

B

• Brahmagupta (India,598–668 CE)

• Bhaskara I (India,629 CE)

• Bhaskara II (India,1114 CE)

• 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, 1934 — )

• Sallie Baliunas (USA, 1953 — )

• Zoltán Balog (Hungary/USA, 1972 — )

• Benjamin Banneker (USA, 1731 — 1806)

• Edward Emerson Barnard (USA, 1857 — 1923)

• Julius Bauschinger (France)

• 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)

• Wilhelm Freiherr von Biela (Austria, 1782 — 1856)

• Ludwig Biermann (Germany, 1907 — 1986)

• Wolf Bickel (Germany)

• 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)

• Ronald N. Bracewell (Australia, USA, 1921 — 2007)

• James Bradley (UK, 1693 — 1762)

• Tycho Brahe (Denmark, 1546 — 1601)

• John Alfred Brashear (USA, 1840 — 1920)

• William Robert Brooks (USA, 1844 — 1922)

• Theodor Brorsen (Denmark, 1819 — 1895)

• Dirk Brouwer (Netherlands–USA, 1902 — 1966)

• Ernest William Brown (UK, 1866 — 1938)

• Michael (Mike) E. Brown (USA, 1965 — )

• Hermann Alexander Brück (Germany, 1905 — 2000)

• Ismael Bullialdus (France, 1605 — 1694)

• Margaret Burbidge (UK, 1919 — )

• Robert Burnham, Jr. (USA, 1931 — 1993)

• Sherburne Wesley Burnham (USA, 1838 — 1921)

• Schelte J. Bus (USA, 1956 — )

C

• William Wallace Campbell (USA, 1862 — 1938)

• Annie Jump Cannon (USA, 1863 — 1941)

• Luigi Carnera (Italy, 1875 — 1962)

• Edwin Francis Carpenter (USA, 1898 — 1963)

• James Carpenter (UK, 1840 — 1899)

• Richard Christopher Carrington (UK, 1826 — 1875)

• Sir John Carroll (UK, 1899 — 1974)

• César-François Cassini de Thury (France, 1714 — 1784)

• Dominique, comte de Cassini (France, 1748 — 1845)

• Giovanni Domenico Cassini (France, 1625 — 1712)

• Jacques Cassini (France, 1677 — 1756)

• Bonaventura Cavalieri (Italy, 1598 — 1647)

• Anders Celsius (Sweden, 1701 — 1744)

• Vincenzo Cerulli (Italy, 1859 — 1927)

• Jean Chacornac (France, 1823 — 1873)

• James Challis (UK, 1803 — 1882)

• Radha Gobinda Chandra (Bangladesh, India, 1878 — 1975)

• Subrahmanyan Chandrasekhar (India, USA, 1910 — 1995)

• Carl Charlier (Sweden, 1862 — 1934)

• Auguste Charlois (France, 1864 — 1910)

• Lyudmila Ivanovna Chernykh (Russia/Ukraine)

• Nikolai Stepanovich Chernykh (Russia/Ukraine, 1931 — )

• James Christy (USA, 1938 — )

• Edwin Foster Coddington (USA, 1870 — 1950)

• Jérôme Eugène Coggia (France, 1849 — 1919)

• Josep Comas i Solà (Spain, 1868 — 1937)

• Andrew Ainslie Common (UK, 1841 — 1903)

• Guy Consolmagno (USA, 1952 — )

• Nicolaus Copernicus (1473 — 1543)

• Corsono Carsono (Spain)

• Pablo Cottenot (France)

• Heather Couper (UK, 1949 — )

• Leopold Courvoisier (Switzerland, 1873 — 1955)

• Arthur Edwin Covington (Canada, 1914 — 2001)

• Philip Herbert Cowell (UK, 1870 — 1949)

• Thomas George Cowling (UK, 1906 — 1990)

• Andrew Claude de la Cherois Crommelin (UK, 1865 — 1939)

• James Cuffey (USA, 1911 — 1999)

• Heber Doust Curtis (USA, 1872 — 1942)

ASTRONOMY GLOSSARY

Absorption Lines

Thin dark lines across a spectrum which indicate the presence of chemical element in the light source.

Accretion Disk

A structure formed by material being drawn into a rapidly rotating black hole.

Asteroid

A lump of rock orbiting the sun. Most asteroids are found in a narrow belt situated between Mars and Jupiter.

Astronomy

A scientific study of objects in space.

Atmosphere

Layer of gases surrounding a planet, moon, or star.

Axis (of spin)

An imaginary line through a rotating object, around which the object rotates.

Big Bang

The explosion that created the universe about 15 billion years ago.

Big Crunch

One possible future end for the universe-the big bang in reverse.

Black hole

An infinitely dense object formed initially by the collapse of a massive star. The gravity of a black hole is so strong that not even light can escape from it.

Celestial Equator

A projection of Earth’s equator out into space, used as a baseline for positioning stars.

Celestial pole

Projection of Earths north or South Pole into space, for use as a reference point.

Celestial sphere

The appearance of the stars from Earth- as though they were set into a black sphere around the planet.

Chromosphere

The Sun’s inner atmosphere.

Cluster

A grouping of stars or galaxies held by gravity.

Comet

An object composed of snow and dust that orbits the sun. If a comets approaches the sun it forms a tail of gas and dust particles.

Constellation