Techniques of Observational Astronomy
AST3722C

Coordinates and Time

Astronomical coordinates and time are very closely linked since the passage of time generally changes an object's coordinates.

HTML version

Coordinates

Time (HTML) (PDF)

If you need a free PDF reader go to: http://www.adobe.com/products/acrobat/readstep2.html )

Learning Exercise

Helpful links

http://www.seds.org/~spider/spider/ScholarX/coords.html

http://www.astroleague.org/al/astrnote/astnot11.html

http://scienceworld.wolfram.com/astronomy/topics/CoordinateSystems.html

http://www.astroleague.org/al/astrnote/astnot10.html

last revised November 4, 2004 9:10 AM