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The Solar System_1
The Solar System_1

... Diameter: 12,756 km  Rotation: 24 hrs  Revolution: 365.24 days  Atmosphere Features: 78%N, 21%O, 1% trace gases (Carbon dioxide, argon, helium), the only planet w/water in all 3 forms, perfect conditions for living things!  Moons: One - Luna  Rings: None ...
The Solar System
The Solar System

... Diameter: 12,756 km  Rotation: 24 hrs  Revolution: 365.24 days  Atmosphere Features: 78%N, 21%O, 1% trace gases (Carbon dioxide, argon, helium), the only planet w/water in all 3 forms, perfect conditions for living things!  Moons: One - Luna  Rings: None ...
Space Key Word Search
Space Key Word Search

... PLANET - large spherical object that revolves around a star and dominates its orbital path. PULSAR - rotating neutron star that gives off short, sharp pulses of radio waves. ...
The Solar System
The Solar System

... Diameter: 12,756 km  Rotation: 24 hrs  Revolution: 365.24 days  Atmosphere Features: 78%N, 21%O, 1% trace gases (Carbon dioxide, argon, helium), the only planet w/water in all 3 forms, perfect conditions for living things!  Moons: One - Luna  Rings: None ...
Formation of the Solar System
Formation of the Solar System

... in the same directions as well. Small, rocky terrestrial planets near the Sun and large, hydrogen-rich jovian (gas planets) planets farther out. The jovian planets have many moons and rings made of rock and ice. Asteroids are concentrated in the asteroid belt, and comets populate the regions known a ...
the outer solar system
the outer solar system

... •  Uranus is the seventh planet from the sun at a distance of about 2.9 billion km (1.8 billion miles) or 19.19 AU. •  One day on Uranus takes about 17 hours (the time it takes for Uranus to rotate or spin once). Uranus makes a complete orbit around the sun (a year in Uranian time) in about 84 Earth ...
Astronomy 212 EXAM 1 2000 September 29 Answer
Astronomy 212 EXAM 1 2000 September 29 Answer

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Astronomy and Space articles by Martin George of the Launceston
Astronomy and Space articles by Martin George of the Launceston

... Kepler's mission is to carefully observe a large number of stars to try to detect the slight drop in light as planets pass in front of their parent stars as seen from here. This particular observation is of a star system called Kepler 16, which is about 200 light years away. By comparison, the neare ...
holiday ho holiday homework
holiday ho holiday homework

... The inner solar system is the name of the terrestrial planets and asteroid belt. Terrestrial is just a fancy way ofsaying rocky. Like the Earth, terrestrial planets have a core of iron and rock. At the center of the solar system isthe Sun.The Sun is a big ball of hydrogen powered by nuclear reaction ...
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PHASES OF THE MOON

... Jupiter Saturn Uranus Neptune Pluto The Inner Planets are Mercury, Venus, Earth, Mars. They are called the Rocky planets. The outer planets are Jupiter, Saturn, Uranus, Neptune, Pluto. They are the Gas planets. The inner and outer planets are separated by the Asteroid Belt between Mars and Jupiter. ...
Patterns in the Sky (cont)
Patterns in the Sky (cont)

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Chapter 9 - WordPress.com
Chapter 9 - WordPress.com

... 1. What is the nebular theory? The detailed theory that describes how our solar system formed from a cloud of interstellar gas and dust (book), the nebular theory holds that our solar system formed out of a nebula which collapsed under its own gravity (notes) What observational evidence is there for ...
The Sun Notes - CE Williams Middle School
The Sun Notes - CE Williams Middle School

... The cooler gases give off less light, causing them to look darker than the rest of the photosphere. The number of sunspots on the sun varies over a period of 10 or 11 years. Scientists are studying the cycles to see if they affect Earth. Sunspots usually occur in pairs or groups. Sunspots helped us ...
HERE
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... 26. Which gas was not believed to be present on Earth at the time of its formation 4.4 billion years ago? 27. Oxygen was introduced into the atmosphere as a by product of… ...
What do you think about the origin of most of Jupiter`s moons?
What do you think about the origin of most of Jupiter`s moons?

... • Also Uranus and Neptune were within 15 AU of the Sun originally. Now they are at 19 AU and 30 AU. • Some models suggest that Neptune actually formed closer to the Sun than Uranus. • When Jupiter and Saturn formed they were very close to 1:2 resonance orbit ...
E.ES.05.61 Fall 09
E.ES.05.61 Fall 09

... Explain that the largest contributor to the change in seasons is the tilt of the Earth's axis. You can show this by shining a flashlight on a piece of paper. Shine the light straight onto the paper, so you see an illuminated circle. All the light from the flashlight is in that circle. Now slowly til ...
Saturn - Cloudfront.net
Saturn - Cloudfront.net

... • As there is no atmosphere, there is no weather, no rain, no wind or clouds. • Like everything else in Solar System, Moon also does not have its own light . It shines due to Sun’s light . • There is no water on its surface. • Moon’s gravity is 1/6th of Earth, so your weight would be 1/6th of your w ...
As a nebula
As a nebula

... not exist between the sun and the earth. •It would travel in a straight line. ...
astro20 chap27 - Las Positas College
astro20 chap27 - Las Positas College

... determined by the boiling and freezing temperature of water ...
Word doc - UC
Word doc - UC

... constellation Cygnus, monitoring their brightness photometrically every 30 minutes for four years. It was searching for any minute decreases in brightness that might indicate one or more planets transiting (passing in front of) their host star as seen from Earth. (For comparison, if Earth transited ...
Our Solar System!!! - Natural History Museum of Los Angeles
Our Solar System!!! - Natural History Museum of Los Angeles

... Ganymede (bottom left) is the solar system’s largest moon. It is larger than the planet Mercury and all five dwarf planets. Here it is compared to the Earth and our Moon. ...
Describe essential ideas about the composition and structure of the
Describe essential ideas about the composition and structure of the

...  Describe basic star types and identify the sun as a star type.  Describe and differentiate comets, asteroids, and meteors  Identify gravity as the force that keeps planets in orbit around the sun and governs the rest of the movement of the solar system and the universe.  Illustrate how the posi ...
Summative Assessment 1
Summative Assessment 1

... 5. Which two planets are very much alike? (They are close to the same size. Their temperature is very close. Their rotation period is very similar.) 6. Which planet takes longest to rotate around the sun? 7. Name one of the two planets that have a stronger known gravitational pull than the Earth? 8. ...
Solar System
Solar System

... Primary Mission Research the internet to find information about our solar system and complete the Planetary Information worksheet (names, description, diameter and distance from the sun) Use your math skills to convert each planet’s diameter and distance from the sun to scale. Create a three-dimensi ...
Chapter 17 Solar system.pmd
Chapter 17 Solar system.pmd

... 10. State whether the following statements are ‘True’ or ‘False’. (a) The planet nearest to us is Jupiter. (b) All the stars are at the same distance from us. (c) The planets do not emit light of their own. (d) The planets keep changing their position with respect to stars. (e) The planet Venus appe ...
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Orrery



An orrery is a mechanical model of the solar system that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model. It may also represent the relative sizes of these bodies; but since accurate scaling is often not practical due to the actual large ratio differences, a subdued approximation may be used instead. Though the Greeks had working planetaria, the first orrery that was a planetarium of the modern era was produced in 1704, and one was presented to Charles Boyle, 4th Earl of Orrery — whence came the name. They are typically driven by a clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms.
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