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ASTR 1101-001 Spring 2008 Joel E. Tohline, Alumni Professor 247 Nicholson Hall [Slides from Lecture02]
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Simple Scale Model Light-travel TimeScale Model Earth’s circumference0.134 seconds Toy Ball: 23” Moon’s diameter0.011 s White Styrofoam Sphere: 2.0” Earth-Moon distance1.3 s 230” = 19 feet Sun’s diameter3.6 s 52 feet Earth-Sun distance8.3 min = 500 s 7308 ft = 1.4 miles
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Simple Scale Model Light-travel TimeScale Model Earth’s circumference0.134 seconds Toy Ball: 23” Moon’s diameter0.011 s White Styrofoam Sphere: 2.0” Earth-Moon distance1.3 s 230” = 19 feet Sun’s diameter3.6 s 52 feet Earth-Sun distance8.3 min = 500 s 7308 ft = 1.4 miles
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Simple Scale Model Light-travel TimeScale Model Earth’s circumference0.134 seconds Toy Ball: 23” Moon’s diameter0.011 s White Styrofoam Sphere: 2.0” Earth-Moon distance1.3 s 230” = 19 feet Sun’s diameter3.6 s 52 feet Earth-Sun distance8.3 min = 500 s 7308 ft = 1.4 miles
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Simple Scale Model Light-travel TimeScale Model Earth’s circumference0.134 seconds Toy Ball: 23” Moon’s diameter0.011 s White Styrofoam Sphere: 2.0” Earth-Moon distance1.3 s 230” = 19 feet Sun’s diameter3.6 s 52 feet Earth-Sun distance8.3 min = 500 s 7308 ft = 1.4 miles
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Simple Scale Model Light-travel TimeScale Model Earth’s circumference0.134 seconds Toy Ball: 23” Moon’s diameter0.011 s White Styrofoam Sphere: 2.0” Earth-Moon distance1.3 s 230” = 19 feet Sun’s diameter3.6 s 52 feet Earth-Sun distance8.3 min = 500 s 7308 ft = 1.4 miles
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Simple Scale Model Light-travel TimeScale Model Earth’s circumference0.134 seconds Toy Ball: 23” Moon’s diameter0.011 s White Styrofoam Sphere: 2.0” Earth-Moon distance1.3 s 230” = 19 feet Sun’s diameter3.6 s 52 feet Earth-Sun distance8.3 min = 500 s 7308 ft = 1.4 miles
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Assignment: “ Construct” Scale Model of the Solar System Sun is a basketball. Place basketball in front of Mike the Tiger’s habitat. Walk to Earth’s distance, turn around and take a picture of the basketball (sun). Walk to Jupiter’s distance, take picture of sun. Walk to Neptune’s distance, take picture of sun. Assemble all images, along with explanations, into a PDF document. How far away is our nearest neighbor basketball? Due via e-mail (tohline@lsu.edu): By 11:30 am, 25 January (Friday)tohline@lsu.edu You may work in a group containing no more than 5 individuals, all of whom must be students in this class.
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Assignment: “ Construct” Scale Model of the Solar System Sun is a basketball. Place basketball in front of Mike the Tiger’s habitat. Walk to Earth’s distance, turn around and take a picture of the basketball (sun). Walk to Jupiter’s distance, take picture of sun. Walk to Neptune’s distance, take picture of sun. Assemble all images, along with explanations, into a PDF document. How far away is our nearest neighbor basketball? Due via e-mail (tohline@lsu.edu): By 11:30 am, 25 January (Friday)tohline@lsu.edu You may work in a group containing no more than 5 individuals, all of whom must be students in this class.
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Assignment: “ Construct” Scale Model of the Solar System Sun is a basketball. Place basketball in front of Mike the Tiger’s habitat. Walk to Earth’s distance, turn around and take a picture of the basketball (sun). Walk to Jupiter’s distance, take picture of sun. Walk to Neptune’s distance, take picture of sun. Assemble all images, along with explanations, into a PDF document. How far away is our nearest neighbor basketball? Due via e-mail (tohline@lsu.edu): By 11:30 am, 25 January (Friday)tohline@lsu.edu You may work in a group containing no more than 5 individuals, all of whom must be students in this class.
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Assignment: “ Construct” Scale Model of the Solar System Sun is a basketball. Place basketball in front of Mike the Tiger’s habitat. Walk to Earth’s distance, turn around and take a picture of the basketball (sun). Walk to Jupiter’s distance, take picture of sun. Walk to Neptune’s distance, take picture of sun. Assemble all images, along with explanations, into a PDF document. How far away is our nearest neighbor basketball? Due via e-mail (tohline@lsu.edu): By 11:30 am, 25 January (Friday)tohline@lsu.edu You may work in a group containing no more than 5 individuals, all of whom must be students in this class.
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Assignment: “ Construct” Scale Model of the Solar System Sun is a basketball. Place basketball in front of Mike the Tiger’s habitat. Walk to Earth’s distance, turn around and take a picture of the basketball (sun). Walk to Jupiter’s distance, take picture of sun. Walk to Neptune’s distance, take picture of sun. Assemble all images, along with explanations, into a PDF document. How far away is our nearest neighbor basketball? Due via e-mail (tohline@lsu.edu): By 11:30 am, 25 January (Friday)tohline@lsu.edu You may work in a group containing no more than 5 individuals from this class.
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Assignment :
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www.phys.lsu.edu/~tohline/courses/astr1101 Click on “Calendar” link. Access assignment (in PDF format) from a link under today’s class date.
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Calendar
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_16.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Calendar Suppose you lived on the planet Mars and were responsible for constructing a Martian calendar.
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_19.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_20.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_21.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Calendar Suppose you lived on the planet Jupiter and were responsible for constructing a Jovian calendar.
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_23.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_24.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_25.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_26.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_27.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_28.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_29.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_30.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_31.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_32.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_33.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) “Moon’s” orbital period (solar days) Earth1.00365.2523°27.32 Mars1.026687.025° Two satellites: 0.319 & 1.263 Jupiter0.4144331.863° Thirty-nine satellites! Mercury58.64687.97½° No satellites Venus243 (R)224.70177° No satellites Uranus 0.718 (R) 30,717.598° Twenty-seven satellites! Saturn Neptune
![Information on Planets [Drawn principally from Appendices 1, 2 & 3] Planet Rotation Period (solar days) Orbital (sidereal) Period (solar days) Inclination of equator to orbit (degrees) Moon’s orbital period (solar days) Earth °27.32 Mars ° Two satellites: & Jupiter ° Thirty-nine satellites.](http://images.slideplayer.com/25/8122825/slides/slide_34.jpg "Mercury ½° No satellites Venus243 (R) ° No satellites Uranus (R) 30, ° Twenty-seven satellites. Saturn Neptune.")
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