บรรณานุกรม
http://www.rmutphysics.com/charud/naturemystery/sci3/geology/1/index_ch_1-1.htm http://www.thaigoodview.com/library/contest2551/science03/06/star/galaxy5.html
http://www.vcharkarn.com/varticle/41239
http://webcache.googleusercontent.com/search?q=cache:pTxHA8s89jwJ:images.enttid2u.multiply.multiplycontent.com/attachment/0/R0TuaQoKCrQAAHWmaec1/%E0%B8%81%E0%B8%B2%E0%B9%81%E0%B8%A5%E0%B8%84%E0%B8%8B%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%99%E0%B8%9A%E0%B9%89%E0%B8%B2%E0%B8%99.ppt%3Fnmid%3D68947499+%E0%B8%81%E0%B8%A5%E0%B8%B8%E0%B9%88%E0%B8%A1%E0%B8%81%E0%B8%B2%E0%B9%81%E0%B8%A5%E0%B8%81%E0%B8%8B%E0%B8%B5%E0%B9%88%E0%B9%80%E0%B8%9E%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%99%E0%B8%9A%E0%B9%89%E0%B8%B2%E0%B8%99&cd=5&hl=th&ct=clnk&gl=th
http://www.chaiyatos.com/sky_lesson2.htm
http://www.anek2009.ob.tc/earth_astro/eart12.htm
http://www.prc.ac.th/Astronomy/Venus.htm
http://www.chaiyatos.com/sky_lesson2.htm
http://www.krugoo.net/?cat=23
http://www.mh.ac.th/E_Dream_Web/Student_work/Suwanna_61/noname3.htm http://www.maceducation.com/e-knowledge/2502201100/14.htm
http://learn.chanpradit.ac.th/nuch/nudee/H14.html
http://learn.chanpradit.ac.th/nuch/nudee/H4.html http://learn.chanpradit.ac.th/nuch/nudee/H15.html http://202.143.128.66/webkru/apchart/dara/theme_2_2.html http://dvbs.ee.ku.ac.th/index.php?option=com_content&task=view&id=43&Itemid=98
http://blog.eduzones.com/montra/2849
http://www.prc.ac.th/Astronomy/Mercury.htm
http://www.prc.ac.th/Astronomy/Earth.htm
http://www.prc.ac.th/Astronomy/Mars.htm
http://www.prc.ac.th/Astronomy/Jupiter.htm
http://www.prc.ac.th/Astronomy/Saturn.htm
http://www.prc.ac.th/Astronomy/uranus.htm
http://www.prc.ac.th/Astronomy/neptune.htm