Astronomy Merit Badge
Scientific American article on Carl Sagan, creator of Cosmos television series on astronomy
Latitude Longitude calculator from the US Census Bureau
The following is information about Madison, NJ:
Latitude = 40.76 degrees N. This is the same as 40 degrees and 45 minutes N.
Longitude = 74.42 degrees W. This is the same as 74 degrees and 25 minutes W.
Time zone = Eastern Standard Time (EST) during winter, without daylight saving
Time zone = Eastern Daylight Time (EDT) during summer, with daylight saving
EST = UTC-5. UTC is another name for Greenwich Mean Time
EDT = UTC-4. For more information see a page at National Science Foundation