Astraea was the fifth asteroid discovered, on December 8, 1845, by K. L. Hencke. [from Wikipedia]
William Christie - astronomer - was born on 1845-10-01.
yes he was actually an amateur astronomer. See notablebiographies.com
The best known astronomer is Christiaan Huygens. See related links for more Dutch astronomers.
As technology improves, the astronomer gains more precise vision, and much more vision. The things that Galileo could see were a pittance when compared to what we can see now.
Galileo Galilei was the first astronomer to see the phases of Venus in 1610, providing evidence for the heliocentric model of the solar system proposed by Copernicus.
Both American presidents John Tyler (term 1841-1845) and James K. Polk (term 1845-1849)are responsible for such war. See related questions below.
who was the first astronomer to see mountains on the moom
America was not named after an astronomer. It is believed that America was named after Amerigo Vespucci, who was an explorer, navigator, and cartographer. For more information, please see the Related Link below.
An astronomer
I am an astronomer.
Johannes Kepler. See http://en.wikipedia.org/wiki/Kepler for more details.
The astronomer Johannes Kepler, most notable for his Laws of Planetary Motion. See the link.