5 life on earth and life beyond (astronomy)
Galaxies-I. By the 1700’s the old notion that the Earth was the center of the Universe was overthrown by the success of Newton’s theory of universal gravitation,
What are We? How Do We Know? Chapter 1. As you study astronomy, you will learn about yourself. You are a planet walker, and you should understand what.
The Canadian Galactic Plane Survey What is the CGPS? Status and some results What’s next? Mapping the Ecology of the Milky Way Galaxy.
The Canadian Galactic Plane Survey
Galaxies-I
Where's Waldo?
