November 3, 2012

Ten Random Astro-Facts to Entertain and Boggle

Ben Burress, KQED


AP Photo

I decided that instead of blogging on just one topic in astronomy, I'd blog about ten of them! Here are some of the astronomy fun facts from my archive that struck my fancy today, randomly chosen and in no particular order:

1. In the city we can see maybe a few dozen stars on a "dark” night—still, there are about 2000 stars overhead that are within our eye's ability to see, if only the skies were darker! The total number of individual stars perceptible by the human eye, in all directions in space, is around 6000, give or take depending on how good your eyesight and night vision are.

Read Full Article ››

TAGGED: Universe, Sun, Scale, Stars

RECOMMENDED ARTICLES

October 18, 2013
Are We Observing E.T. Without Knowing It?
Cadell Last, Huffington Post
Philosophy and the physical sciences have a long and interesting past spanning the entirety of human history. Philosophers have played the role of logically deducing the existence of certain physical phenomena that were... more ››
October 15, 2013
Star Axis: Worshipping the Night Sky
Ross Andersen, Aeon Magazine
I followed Ross and O’Bryan in my car, down to the desert floor and then to the top of an adjacent mesa. We parked in front of their makeshift ranch house and headed inside, being careful to step around a six-foot... more ››
October 19, 2013
How to (Realistically) End the World
Ethan Siegel, Starts with a Bang!
Well, it’s Friday again, and that means it’s time to dip into the question/suggestion box, and see what you’ve come up with for me. This week’s Ask Ethan comes from our reader Michael Acosta, who wants to... more ››
October 16, 2013
Another Clue in the Solar Corona Mystery
Columbia University
Drs. Michael Hahn and Daniel Wolf Savin, research scientists at Columbia University's Astrophysics Laboratory in New York, NY, found evidence that magnetic waves in a polar coronal hole contain enough energy to heat the corona... more ››