Originally published at a denizen's entertainment. You can comment here or there.
( Large in extent image behind cut )

"What we see today, when we look out at the Universe, is that the farther away things are from us, the faster they move away from us. "

Let's rephrase that. Let's say "the farther away things are from us, the faster we observe our separation increasing". The standard phrasing encourages misunderstandings about the nature of the universe's

Lately have been using this image as my desktop background:

( Read more... )

Originally published at a denizen's entertainment. You can comment here or there.

In the past week I have been surprised by two pieces of news concerning Saturn and rings.

First, from the Planetary Society Blog: findings which might be evidence for a posited ring around Rhea. As described in that article, a series of equatorial spots on Rhea bright ( Read more... )

Lately I have been watching videos we have around the place. Videos which were not much watched when they were new and especially videos which play documentary series and which were gifts from relatives.

I started with one which excited me when I saw the word Cosmos prominently on the front of the case. I was disappointed to discover the title is ( Read more... )

They both photograph stars and analyse the image, attempting to discern such information as life history, companions, or time and manner of demise and contribution to future generations.