Astronomer Timeline of Events

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Astronomer

An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using physical laws...

Timeline of Events

1604

10.17.1604

Kepler's Star: German astronomer Johannes Kepler observes a supernova in the constellation Ophiuchus.

1612

12.28.1612

Galileo Galilei becomes the first astronomer to observe the planet Neptune, although he mistakenly catalogued it as a fixed star.

1804

9.1.1804

Juno, one of the largest main belt asteroids, is discovered by German astronomer Karl Ludwig Harding.

1846

9.23.1846

Neptune is discovered by French astronomer Urbain Jean Joseph Le Verrier and British astronomer John Couch Adams; the discovery is verified by German astronomer Johann Gottfried Galle.

1925

1.1.1925

The American astronomer Edwin Hubble announces the discovery of galaxies outside the Milky Way.

1976

4.1.1976

The Jovian-Plutonian gravitational effect hoax is first reported by British astronomer Patrick Moore.

1994

4.21.1994

The first discoveries of extrasolar planets are announced by astronomer Alexander Wolszczan.

2005

7.29.2005

Astronomers announce their discovery of the dwarf planet Eris.