document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=551212>Question 551212</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the eccentricity of earth`s orbit,if the minimum distance of the sun from the earth is 147.5 million kms and maximum distance is 152.5 million kms. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359626 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=359626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the eccentricity of earth`s orbit,if the minimum distance of the sun from the earth is 147.5 million kms and maximum distance is 152.5 million kms.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "Assuming the Earth's orbit around the sun is elliptical:<BR>\n" );
document.write( "Consider the standard form of an equation for an ellipse: (x-h)^2/a^2+(y-k)^2/b^2=1, a>b, with (h,k) being the (x,y) coordinates of the center.<BR>\n" );
document.write( "For given problem:<BR>\n" );
document.write( "center: (0,0)<BR>\n" );
document.write( "a=maximum distance of the sun from the earth= 152.5 million kms.<BR>\n" );
document.write( "b=minimum distance of the sun from the earth= 147.5 million kms<BR>\n" );
document.write( "c^2=a^2-b^2=(152.5)^2-(147.5)^2=1500<BR>\n" );
document.write( "c=&#8730;1500&#8776;38.73<BR>\n" );
document.write( "eccentricity=c/a=38.73/152.5&#8776;0.254 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );