Search found 3 matches

by clpratt
Mon May 11, 2009 2:08 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: 40K Meteor Origins (2009 May 11)
Replies: 13
Views: 2321

Re: 40K Meteor Origins (2009 May 11)

A very cool visual tool for meteors and their radiants. Another presentation, as a time-lapse movie with say two week time slices I think would highlight the radiants better. Any chance an editor, with some influence could request something like that from the Japanese source??
by clpratt
Wed Jan 07, 2009 3:38 pm
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: Dark Energy & Age of Universe
Replies: 13
Views: 1183

Re: Dark Energy & Age of Universe

We seem to be drifting off topic here. Chris' first response seems most cogent. If the current formula for calculating the age of the Universe is barely affected by the increased rate of expansion related to Dark Energy now, 13.7 billion years after the creation of the universe; then as expansion co...
by clpratt
Sun Jan 04, 2009 3:41 pm
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: Dark Energy & Age of Universe
Replies: 13
Views: 1183

Dark Energy & Age of Universe

If Dark Energy is increasing the expansion rate of the universe (ie. Expansion rate is not constant) wouldn't that effect the Hubble "constant", Red shift with time, and our current estimates of the age of the universe?? It was nearly 15 years ago, there was some debate whether the univers...