I thought it was 8 light-minutes away, give or take, and changing a
little as we go merrily on our way.

Andrew

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Jason Holt
Sent: Monday, October 06, 2003 4:52 PM
To: BYU Unix Users Group
Subject: Re: [uug] Google is still cool . . .


On Mon, 6 Oct 2003, Ross Werner wrote:

> > > You don't think they were moving the Mars Rover in real time do
you?

Looks like Mars round trip times (RTTs) are 6-40 minutes.  Thus the
rovers
tend to move in inches per minute.

The sun's about 3 light minutes away.  Seems like even LEO satellites
give 1/4
second RTTs.  It's kinda cool, if you ever get to play with a ham
satellite
station, to hear your own voice coming back doppler shifted and 1/4
second
delayed just from propagation delay.

                                                -J


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