Search found 3 matches

by sdc1950
Fri Jan 15, 2010 6:32 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Scenes from Two Hemispheres (2010 Jan 15)
Replies: 17
Views: 2910

Re: Scenes from Two Hemispheres (2010 Jan 15)

Remember it is the earth that is rotating, not the sky background. Picture yourself on a small circle about ten feet from a wall. The constellations are drawn on the wall in an upright position, they don't change. Now picture yourself on the upper half of the small ball (northern hemisphere of earth...
by sdc1950
Mon Feb 16, 2009 3:10 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Antarctic Ice Shelf Vista (2009 Feb 15)
Replies: 381
Views: 39135

Re: Antarctic Ice Shelf Vista

If one makes the assumption that the Ross Ice Shelf melted in its entirety, along with the balance of the other Ice Shelves in Antarctica, then a total of 1,183,590 sq. Km's of ice would melt. Using Rocky's figure for the total area of the oceans and dividing by the total area of the ice shelves in ...
by sdc1950
Mon Feb 16, 2009 2:33 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Antarctic Ice Shelf Vista (2009 Feb 15)
Replies: 381
Views: 39135

Re: Antarctic Ice Shelf Vista

Chris Peterson wrote: "Your comment, however, wonderfully demonstrates the grave risk we face having such a scientifically illiterate populace. We no longer live in a world where a lack of understanding of science (in its true sense, as a method of understanding) can be tolerated." This fr...