November 19, 2017

The Universe: You Are Here in Time & Space.

Our present understanding of our expanding universe. (Credit: NASA/WMAP).

(Editor’s Note: The essay that follows is a re-bloggified version of an essay I wrote in our quest for a science teaching degree. As that quest for knowledge has changed into a quest for employment, I thought it would be a worthy exercise to place these works out where eyeballs might fall upon them once again…)

Cosmology is one of the fastest evolving fields in astronomy today. In less than a century, our understanding of the past and future evolution of our universe has gone from one largely of conjecture to a diverse study with hard observational data. [Read more...]

Review: How Old is the Universe? By David A. Weintraub.

Out from Princeton Press.

Probably the toughest questions an astronomer ever has to field with the public are those in cosmology. How old/how big/how far are truly mind bending questions, and difficult to explain to the average man on the street in sound-bite style. This week, we look at David Weintraub’s latest, How Old is the Universe? out by Princeton Press. Fans of this site will remember our review of Is Pluto a Planet? also by Mr. Weintraub a few years back. [Read more...]