March 17, 2018

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.

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...]