document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1106410>Question 1106410</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A certain upgrade causes a high-tech space probe to travel at 5 light years per century instead of 3.75 light years per century, so that it can reach the Horsehead Nebula 10 000 years faster. How far away is the Horsehead Nebula, in light years? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #721398 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=721398\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "The correct answer is 1500 light years.\r<BR>\n" );
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document.write( "Compare it with this Wikipedia article  \r<BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "    https://en.wikipedia.org/wiki/Horsehead_Nebula\r\n" );
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document.write( " </SPAN>\n" );
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