Astronomy or Cosmology?

Since we started blogging in October 2015 we've been tagging posts on the physics of space and related subject matter as both #astronomy and #cosmology. That has the effect of making both tags meaningless.

Asteroids

There's an nearly daily onslaught of articles warning us about asteroids approaching planet Earth. They have one thing in common: Kepler's Laws. The orbits NASA has plotted for these asteroids are proof of 2 things:

Hypothesis 30

The measurements of starlight we take don't tell us if the light is reflected or emitted by the stellar bodies, that's one of the leaps of faith in the mainstream science paradigm (SciPop).