< Physics and Astronomy Labs
Sandbox 1 Sandbox 2 Sandbox 3 [1]
- If you use a sandbox, post it on the board to avoid edit conflicts.
Wikimedia links
Top external links on Google
- Wikipedia:Celestial sphere is #1 on Google today
- http://csep10.phys.utk.edu/astr161/lect/celestial/celestial.html
- http://www.astro.cornell.edu/academics/courses/astro201/cel_sphere.htm
- http://stars.astro.illinois.edu/celsph.html Great pictures
- http://pvs.kcc.hawaii.edu/ike/hookele/celestial_sphere.html
- http://astro.wsu.edu/worthey/astro/html/lec-celestial-sph.html
- https://www.youtube.com/watch?v=1Toya19H12w 2'46'' time duration
- https://en.wikibooks.org/wiki/General_Astronomy/The_Celestial_Sphere Wikibooks is a sister to Wikipedia and Wikiversity
- http://astro.unl.edu/naap/motion2/animations/ce_hc.html UNL hosts the best astronomy lab materials I know about.
Gallery (commons)
These images on Wikimedia Commons are subject to minimal copyright restrictions.
Ecliptic_equator_galactic_anim.gif
Hipparcos_Catalogue_equirectangular_plot
Azimuth-Altitude_schematic.svg (horizontal coordinate system)
Ecliptic_grid_globe.png (ecliptic coordinate system)
Cartesian-coordinate-system.svg
Curvilinear coordinates are required for non-flag geometries[note 1]
Spacetime_curvature.png[note 2]
Gallery notes:
- ↑ http://www.solitaryroad.com/c325/ole4.gif Curvilinear coordinates can be used in situations where Euclidean geomotry is not valid, as is the case with our universe due to gravity and general relativity
- ↑ An artists attempt to show how gravity violates space-time
Footnotes
- ↑ To open a sandbox, click and edit. Don't delete other people's work. See your instructor if you want to register as an editor (Wikipedia will never bother you unless you sign up for the email alert. And the alerts are never promotional items of any sort.
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