it is completely up to the person who is going to pursue one of those careers to answer that question. But in my opinion being an astronaut seems to be the most rewarding out of the three choices
An Environmentalist, or a conservationist.
Broadly speaking yes. The difference would be that generally we would say that the ecologist has a career and the environmentalist supports a movement.
He was a canon in a church and an astronomer.
i would say that that is up to you....if you would want to pursue one of those things..you should do some research on it and see which interest you more as well as which one would provide you with the money you need to sustain the life you plan on living....but once again it is totaolly up to you. :)
Carl Sagan is a popular astronomer, astrophysicist, cosmologist, author and science popularizer. He has spent most of his career as a professor for Cornell university where he directed the laboratory of Planetary Research.
E. A. Beet has written: 'The young astronomer' 'Teaching astronomy in schools' 'Mathematical astronomy for amateurs' -- subject(s): Astronomy, Mathematics 'Astronomy as a career'
Astronomer, physics, doctor, and lab tech.
he was an astronomer, philosopher, physicist, and mathematician in the 16-17th century in italy
Nicolaus Copernicus was an astronomer. He also studied many other things such as medicine.
Charles Messier was an astronomer for over 50 years, from around 1750 until his death in 1817. He is best known for his catalog of astronomical objects, which he compiled over his career.
This means a job that someone did before the job that they have. For example: He was a student in physics before he became an astronomer.
An astronomer is a person who studies stars as a career. They use telescopes and other observation methods to study the properties of stars, their formation, evolution, and behavior.