Do you mean that you have to come up with your own theory about some aspect of astronomy? That is wonderful! What is your thinking so far?
Astronomy: Georges Lemaitre [See related question]TV Series: Chuck Lorre and Bill Prady
the big bang theory
As one of the sciences astronomy is most closely related to mathematics, physics and chemistry.
Astronomy is the science of looking at the sky to see stars, planets and other things in space. As Jupiter is a planet that can be seen, it is related to Astronomy.
From what little I understand of your question I am guessing that the theory that is no longer accepted could be the Geocentric Model of the Universe. That is the theory that everything revovles aroung the Earth while the Earth is stationary.
No.
His theory of the planets came out in 1543.
Albert Einstein discovered the Theory of Relativity.
Stars Planets Black holes The Sun Nebulas The big bang theory and theorys related Galaxies Solar systems Moons Asteroids And much more
he developed a theory that the Sun was at the center of the solar system, not Earth
A Yagi antenna, which can be used for radio astronomy.
Nothing. If you meant astronomy vs. astrology, see related question They differs by their ears... - especially by the left one! - a joke - as your question!