CJFA -- Blogmeister
 CJFA Class of 2012-2013 The students' blogs have been transferred to 8th grade.
 by CJFA teacher: Rye 8th Team

Blog Entries
 2/13 Las Lineas de Nasca 5/16 Roadkill Graph & Conclusion 5/3 Romans vs. Germans Essay 3/28 Voki 3/19 Voki 3/16 Sun 3/8 Roman Gladiator Journal 12/8 Battle of Salamis 12/8 Battle of Salamis 11/29 My Prezi 11/3 math letter 9/19 my address. Edit for capital letters 9/12 Eye Ball 9/7 First Blog Post List 25, 50, all

Planets and Stars! What you don't know! Stars don't twinkle which means our parents have lied to us our whole lives. Light can travel at 186,000 miler per second. Light speed is used to measure large distances between stars. What is our closest star? THE SUN! The next closest sun you ask? Proxima Centauri. It is 4 light years away. Light can travel through a vacuum! Not a cleaning vacum silly! A vacuum is nothing. AU means astronomical units is used to measure the planets.
Space between planets and equations.
0+4/10=0.4 mercury -.4AU
3+4/10=0.1 Venus 0.7 AU
6+4/10=1 Earth 1 AU
12+4/10=1.6 Mars 1.5 AU
24+4/10=2.8 Asteroids
48+4/10=5.2 Jupiter
96+4/10=10 Saturn 9.5
192+4/10=19.6 Uranus 19.2
384+4/10=38.8 Neptune 30.1
768+4/10=77.2 ? Pluto ( dwarf planet) 39.5

so I bet you all are wondering who first discovered that the Earth was round? Well I will tell you in the honest truth Erastothenes a librarian in Egypt found out! Oh how you ask?
Well, he found out that on two days of the year you could see all the way down to the bottom of the well because of the sun. so when he was in a different town on one of the days he went to the well and saw that you couldn't see to the bottom of the well this is because the Earth is round.

Article posted September 24, 2009 at 10:32 AM • comment • Reads 1382 • Return to Blog List