... pull of the sun. It would then leave the solar system. Parabolas are the orbital paths of objects in the form of an open curve. If one cuts out an angle in a circular cone, it would follow this path parallel to the sides of the cone. Hyperbolas occur when a plane cuts across two parallels half-cones. Kepler's laws applies to any ... with aluminum coating. I would make the mirror concave in order to collect light to a point and then reflect it to a secondary mirror. I would turn the secondary mirror to a 45-degree angle and would build the eyepiece onto the side so that the light will co...

• Word Count: 3183
• Approx Pages: 13
• Grade Level: High School

... in the fact that heat is produced when air is compressed in front of the meteor. Sometimes the intense heat vaporizes the meteors creating a shooting star. Composition, speed, and the angle of entry are three characteristics that decide whether the meteor will break or hold together. A meteor coming at an intense speed and an oblique ... angle suffers tremendous stress (amsmeteors.com). A meteor made of iron (91% iron, 8.5% Nickel and 0.6 Cobalt) can hold its shape easier than one created by stone (36% Oxygen, 26% Iron, 18%Silicon, ... ...

• Word Count: 518
• Approx Pages: 2
• Grade Level: High School

... twin compasses are described as two only in the sense that there are two legs joined permanently at the top. Here Donne is referring to the mathematical instrument used in geometry. One leg, "the fixed foot-, is planted firmly in the center (27). The other "travels,"" describing a perfect circle, returning to its point of origin. The "fixed foot- of the center ... ...

• Word Count: 988
• Approx Pages: 4
• Grade Level: High School

... through the plane of Saturn's rings every few years as Saturn moves in its orbit, therefore a low resolution image of Saturn changes drastically. In 1659, Christiann Huygens correctly inferred the geometry of the rings. Astronomers have been puzzled since the discovery and they have only increased since Voyagers 1 and 2 imaged the ring system, and in addition to the images, several Voyager ... ...

• Word Count: 3775
• Approx Pages: 15
• Has Bibliography
• Grade Level: High School

... of the earth as the center of the universe. Ptolemy rejected Pythagoras" theory, and claimed that the sun was the center of our universe. Hipparchus created a theory based on the geometry of circles. He believed that the sun and moon moved around Earth in a circle, and the Earth was not the center of the universe. Ptolemy was the most influential philosopher ... ...

• Word Count: 622
• Approx Pages: 2
• Grade Level: High School

... , enter your opening into the earth. Go down through the opening and enter the tunnel. At first the tunnel might be dark and dim. It might go underground at a slight angle, or it might descend steeply. Sometimes the tunnel appears ribbed, and often it bends. Occasionally one passes through the tunnel so fast that it is not even seen. In following ... ...

• Word Count: 11626
• Approx Pages: 47
• Grade Level: High School

... tide. Neap tides are weak, the variation in water depth is smaller than average. These tides occur when the gravitational forces of the sun and moon are at a 90-degree angle with respect to the earth and during quarter moons. Proxigean spring tides are very extreme and rare tides when the new moon is unusually close to the earth, this happens ... ...

• Word Count: 569
• Approx Pages: 2
• Grade Level: High School

... time. There are numerous geological similarities between eastern South America and western Africa. Paleomagnetism tells us how far from the poles rocks were when they formed, by looking at the angle of their magnetic field. Apparent contradictions can only be explained if we assume the continents have moved over time. In 1620, Francis Bacon noted that the west coast of Africa ... ...

• Word Count: 884
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• Grade Level: High School

... (as cited in Branley 1988 p. 43). All comets begin their journey as long- period types. Gravitational fields of planets then capture long- period comets. Comets can have orbits at any angle because they can come from any region. Once comets are captured, they fall into line with the movement of planets, staying close to the ecliptic, orbiting the sun in the ... ...

• Word Count: 936
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• Grade Level: High School

... -fueling robots, robots that have the capability to fuel them selves, to harness the heat of the core, ice asteroids from the asteroid belt sent through the atmosphere at an angle where it would not hit the surface, but it would burn up in the atmosphere creating hydrogen, oxygen, and water. All these things needed for the terraforming process. There are ... ...

• Word Count: 844
• Approx Pages: 3
• Grade Level: High School