Friday, February 16, 2007

8 Planets rotate around the SUN, massive enough that gravity keeps them round.
JUPITER 483.7 miles from Sun. Diam 88,846. Gravity 100 Earth = 250 lbs on Jupiter. Largest Planet. Mostly hydrogen & helium. SATURN 885.9 mill miles from Sun. Diam 74,896 miles. Rotation period = 10.7 hrs. Gravity, 100 Earth lbs = 108 lbs on Saturn. Second largest Planet. URANUS 1.8 billion miles from Sun. Diameter 31,764 miles. Gravity 100 Earth lbs = 86 lbs. on Uranus Rotation period 17.2 hrs. NEPTUNE 2.8 billion miles from Sun. Diam 30,776 miles. Gravity 100 Earth lbs = 110 lbs on Nepture. Rotation period 16.1 hrs. EARTH 93 million miles from Sun. Diam. 7,926 miles. Rotation period 23.9 hrs. Orbital period 365.2 days. Only know life in Universe. Rich in liquid water. VENUS 67.2 mill miles from Sun. Diam 7,521 miles. Gravity 100 Earth lbs. = 91 lbs on Venus. Rotation period 243 days. Orbital period 224 Earth days. MARS 14.6 mill miles from Sun. Diamete
r 4,222 miles. Gravity 100 Earth lbs. = 38 lbs. on Mars. Rotation period 24.6 hours. Orbital 686.9 days. MERCURY 35.9 mill miles from Sun. Diam 3,032 miles. Gravity 100 Earth lbs. = 36 lbs. on Mercury. Rotation period 68.6 Earth days. Orbital period 87.9 days.

CERES (dwarf planet) an Asteroid 602 miles in diameter. Rotation 9.1 hours.
PLUTO (dwarf planet) 1,430 miles in diameter. Rotation 6.4 Earth days.
ERIS (dwarf planet) 1,491 miles in diameter. Rotation unknown.








Wednesday, February 7, 2007

Two trees that have already had a "haircut" to improve the view of the North Bend Bridge.







Trimming a Douglas Fir on the East side of the Church Bell Tower. Click on the picture to see Steve Holmes climbing up the tree.