1. AstronomyTop100.com Round #2: Survey 2 (of 3) Getting to 20

In this next survey, we're getting things down to the top 20! What do you consider Greatest Images and Imaginations in Astronomy and Space Exploration? You'll be asked to pick your top five choices among 16 options in 4 surveys. Be careful, some options (but not all) 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
Albert Einstein (1879-1955)
The Theory of Relativity (1905/1915)
Building the International Space Station (1998)
The Discovery of Jupiter’s Moons (1609-1610: Galileo)
Hubble Ultra Deep Field Image (2004)
Yuri Gagarin’s First Manned Space Flight (1961)
Inventing the concept of The Number Zero
Newton’s Laws [Universal Law of Gravitation; Escape Velocity] (1687) - The Mathematical Principles of Natural Philosophy (Philosophiæ Naturalis Principia Mathematica)
Man Landing on the Moon (Apollo 11 – 1969)
2001: A Space Odyssey (Movie 1968)
Star Trek (TV Series 1966-1969)
The Discovery of Galaxies (1923-1926: Edwin Hubble)
Galileo Galilei (1564-1642)
Earthrise (Picture taken by Apollo 8)
Building the Hubble Telescope (1990)