1. AstronomyTop100.com Final Survey in Round #2: Picking the Top 10 - Question #1 of 5

We're almost done! What do you consider Greatest Images and Imaginations in Astronomy and Space Exploration? Think carefully about the phrase "Images and Imaginations." You'll be asked to pick your top five choices among 10 options in 5 quick surveys. As before, some options appear in more than one survey.

* 1. Please rank order your top five choices from 1 (your top choice) to 5 (your fifth choice):

  1 2 3 4 5
Newton’s Laws [Universal Law of Gravitation; Escape Velocity] (1687) - The Mathematical Principles of Natural Philosophy (Philosophiæ Naturalis Principia Mathematica)
Big Bang Theory (1927-1931: Lemaître)
The Discovery of Background Radiation (1965: Penzias & Wilson)
Heliocentric Theory – Copernican Revolution (1543) - On the Revolutions of the Celestial Spheres (De revolutionibus orbium coelestium)
Inventing the concept of The Number Zero
Galileo Galilei (1564-1642)
Man Landing on the Moon (Apollo 11 – 1969)
Albert Einstein (1879-1955)
The Theory of Relativity (1905/1915)
Kepler’s Laws of Planetary Motion (1609) - The New Astronomy (Astronomia Nova) and (1619) - Harmonies of the World (Harmonices Mundi)