Parallax Geometry Extreme: How Our Galaxy Measurements Just Got 10X More Accurate
Thursday, April 10, 2014 - 11:52
in Astronomy & Space
The universe is big, as you can imagine. Even our galaxy is almost beyond comprehension. But measure it we do, at least as best we can. The most reliable method for making astronomical distance measurements is to use geometry - the 186-million-mile diameter of Earth's orbit is used to construct a baseline of a triangle, much as a land surveyor would use. read more