I'm an astronomer.

Tom is an amateur astronomer.

Tom is a very well respected astronomer.

First off, my badge says I'm an astronomer.

Willem de Sitter, 1872 1934, mathematician, physicist, astronomer.

1860) December 23 Pierre Janssen, French astronomer (b.

1661) July 12 Jean Picard, French astronomer (b.

Karl Schwarzschild () (October 9, 1873 May 11, 1916) was a German physicist and astronomer.

In 1951, American astronomer Harlow Shapley announced that Proxima Centauri is a flare star.

Jean Baptiste Joseph, chevalier Delambre (19 September 1749 19 August 1822) was a French mathematician and astronomer.

Giacomo Filippo Maraldi (August 21, 1665 December 1, 1729) was a French Italian astronomer and mathematician.

Christian Ludwig Ideler (21 September 1766 10 August 1846) was a German chronologist and astronomer.

In the 1790s, English astronomer William Herschel began an extensive study of nebulous celestial objects.

Jean Frédéric Frenet ( 7 February 1816 12 June 1900) was a French mathematician, astronomer, and meteorologist.

Discovered in 1655 by the Dutch astronomer Christiaan Huygens, Titan was the first known moon of Saturn, and the fifth known satellite of another planet.

Giovanni Domenico Cassini (8 June 1625 14 September 1712) was an Italian mathematician, astronomer, engineer, and astrologer.

Gerard Peter Kuiper ( born Gerrit Pieter Kuiper December 7, 1905 December 23, 1973) was a Netherlands born American astronomer after whom the Kuiper belt was named.

Philipp Ludwig von Seidel ( 23 October 1821 in Zweibrücken, Germany 13 August 1896 in Munich, German Empire) was a German mathematician.

In 1986, when Soviet astronomer Lyudmila Chernykh discovered asteroid 3147, she named it 3147 Samantha.

Heinrich Wilhelm Matthias Olbers ( October 11, 1758 March 2, 1840) was a German physician and astronomer.

Friedrich Wilhelm Bessel ( 22 July 1784 17 March 1846) was a German astronomer, mathematician (systematizer of the Bessel functions, which were discovered by Daniel Bernoulli).

Because they thought that if you are having a telescope, you are an astronomer so what you are doing is actually looking in a telescope.

It was thus believed for many decades thereafter that Uranus had a system of six satellites, though the four latter moons were never confirmed by any other astronomer.

Beginning in 1914, Harlow Shapley began a series of studies of globular clusters, published in about 40 scientific papers.

Helen Chappell, a former astronomer who studied physics at University of Colorado Boulder, offers three reasons why she doesn't care about Kepler 22b

The first person to use a telescope to observe the night sky and record his observations was the Italian scientist Galileo Galilei in 1609.

The astronomer Carl Sagan suggested that the Voyager space probe capture an image of earth as it reached the outer reaches of our solar system.

Legacy The crater, Ulugh Beigh, on the Moon, was named after him by the German astronomer Johann Heinrich von Mädler on his 1830 map of the Moon.

In the 16th century, the German astronomer Johannes Kepler attempted to relate the five extraterrestrial planets known at that time to the five Platonic solids.

The French astronomer Nicolas Claude Fabri de Peiresc suggested individual names from the Medici family for the moons, but his proposal was not taken up.

However, in 1918 the Dutch American astronomer Adriaan van Maanen was able to measure the proper motion of stars in part of the Pleiades cluster by comparing photographic plates taken at different times.

Okay, part one starts back in 1929 when the great astronomer Edwin Hubble realized that the distant galaxies were all rushing away from us, establishing that space itself is stretching, it's expanding.

Pierre Jules César Janssen (22 February 1824 23 December 1907), also known as Jules Janssen, was a French astronomer who, along with the English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some justification the element helium.

In 1948, the astronomer Fred Hoyle said, Once a photograph of the Earth, taken from outside, is available once the sheer isolation of the earth becomes plain a new idea as powerful as any in history will be let loose.

Astronomer Dimitar Sasselov and his colleagues search for Earth like planets that may, someday, help us answer centuries old questions about the origin and existence of biological life elsewhere . Preliminary results show that they have found 706 candidates some of which further research may prove to be planets with Earth like geochemical characteristics.