Taylorcanknow
New member
On 4/24/2011 12:00 AM, dsi1 wrote:
The visible night sky is well mapped and there have been apps around for
a long time. If you know your position on earth and the time of day you
can present the appropriate map showing what it is possible to see.
Pretty much the same as the way a GPS displays a map. It determines
where it is relative to a model of the earth and then gets the known
mapping info it has for that location and displays it.
The visible night sky is well mapped and there have been apps around for
a long time. If you know your position on earth and the time of day you
can present the appropriate map showing what it is possible to see.
Pretty much the same as the way a GPS displays a map. It determines
where it is relative to a model of the earth and then gets the known
mapping info it has for that location and displays it.