| | | | 3 minutes | | =============+=========+=============+========+=====================+============+========= RINGS OF SATURN ===================+==========+===================+===================+==================== | | Distance of | Distance of |Diameter of Ring | | Inner Edge from | Outer Edge from | System from outer Name | Width, | Surface of Saturn,| Surface of Saturn,| edge to outer edge, | in miles | in miles | in miles | 172,500 miles. -------------------+----------+-------------------+-------------------|Thickness of Ring | | | | System, about one Dark or Crape Ring | 10,900 | 5,900 | 16,800 | hundred miles. Bright Ring | 18,000 | 16,800 | 34,800 |Size of Individual Cassini's Division | 2,200 | 34,800 | 37,000 | Moonlets, probably Outer Ring | 11,000 | 37,000 | 48,000 | less than three | | | | miles in diameter. ===================+==========+===================+===================+==================== TABLE III THE TWENTY BRIGHTEST STARS IN THE HEAVENS =============================+==========+============+============+===========+=========== | | | | Passes | | | | On | through | Distance Name |Magnitude | Color | Meridian |the Zenith | in | | | 9 P. M. |in Latitude|Light-Years -----------------------------+----------+------------+------------+-----------+----------- Sirius, Alpha Canis Majoris | -1.6 |White |February 12| 17 S. | 8.8 Canopus,[3] Alpha Argus | -0.9 |White |February 8| 53 S. | ? Alpha Centauri[3] | 0.1 |Yellow |June 15| 61 S. | 4.3 Vega, Alpha Lyræ | 0.1 |White |August 15| 39 N. | 40 Capella, Alpha Aurigæ | 0.2 |Yellow |January 20| 46 N. | 38 Arcturus, Alpha Boötis | 0.2 |Orange |June 10| 20 N. | 21 Rigel, Beta Orionis | 0.8 |Bluish-White|January 20| 8 S. | ? Procyon, Alpha Canis Minoris | 0.5 |White |February 26| 5 N. | 12 Achernar,[3] Alpha Eridani | 0.6 |Bluish-White|December 2| 58 S. | 80 Beta Centauri | 0.9 |Bluish-White|June 7| 60 S. | 100 Betelgeuze, Alpha Orionis | Var. |Red |January 31| 7 N. | 150-270?