"Gravity Matters" by willowhttp://www.trailfire.com/willow/trails/32573willow/trails60Gravityhttp://www.trailfire.com/willow/marks/78827Gravity MatterswillowMon, 02 Apr 2007 07:56:23 -0700trailfire:markId:78827Temporal Variations in Gravityhttp://www.trailfire.com/willow/marks/78828Gravity MatterswillowMon, 02 Apr 2007 08:06:27 -0700trailfire:markId:78828How far do you have to go to escape the Earth's gravity?http://www.trailfire.com/willow/marks/78829Gravity MatterswillowMon, 02 Apr 2007 08:08:35 -0700trailfire:markId:78829APOD: 2003 July 23 - GRACE Maps the Gravity of Earthhttp://www.trailfire.com/willow/marks/78831Can you imagine what the earth's gravitational field will look like? Take a look at this image. It tries to map this field. The red indicates stronger gravitational points. Can you make out where earth's pull is stronger?  The image is courtesy GRACE, astronomy's new guide to the stars. 

]]>Gravity MatterswillowMon, 02 Apr 2007 08:12:31 -0700trailfire:markId:78831Quickie Questions - Extraordinary Earth - Gravity/Magnetismhttp://www.trailfire.com/willow/marks/78833Gravity MatterswillowMon, 02 Apr 2007 08:23:27 -0700trailfire:markId:78833