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Reading Center - Guilford County Schools
Reading Center - Guilford County Schools

... To help the students develop understanding of the concept that the sun is a ball of fiery gases, not solid like the earth, use streamers or strips of paper in red, yellow, white and orange. Give each child one streamer. The children are positioned in concentric circles of colors. The center is white ...
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... (5.) lepton with no harge (6.) The Sun, a garden variety star, derives its energy from a gravitational heating b hemi al burning thermonu lear fusion d onversion of rotation into me hani al energy (7.) Stellar death o urs when a ore annot rea h temperatures ne essary for further fusion b an ...
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... Newton’s laws of motion and law of gravitation can be used to explain the forces, position and motion of all objects in the universe. A simple analogy of how gravity controls the motion of a planet around the Sun can be shown by a mass on the end of a string being spun around in a horizontal plane a ...
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... understanding of the universe? What makes up our solar system? What are the stars? Do they last forever? What are galaxies? What do astronomers learn by studying them? How does measuring angles help astronomers learn about objects in the sky? What is powers-of-ten notation, and why is it useful in ...
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... 4.-RSMA: _ _ _ _ is the fourth planet. it is a small and rocky. People call it the red planet. 5.-TREIPUJ: _ _ _ _ _ _ _ is the fifth planet. It is bright and large. 6.-STRNUA: _ _ _ _ _ _ is the sixth planet in order from the sun. It has got many rings. Its rings are flat and broad. The rings are m ...
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... most easily visible from Earth, and therefore the most studied. In this chapter you will discover how analysis of the solar spectrum paints a detailed picture of the sun’s atmosphere and how basic physics solved the mystery of what goes on in the sun’s core. The important questions to keep in mind a ...
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... Gas containing in it absorbs red lights and reflects green and blue ones, that’s why Uranus is blue. Diameter is 51800 km. The revolving time on equator is 17 hours 14 minutes. The period of revolving around the Sun is 84 years. It has about 30 satellites. ...
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... ● The inner planets and outer planets are separated between an asteroid belt that is between Mars and Jupiter. (Inner planets are the first four planets and the outer planets are the last four planets.) 4. Earth is unique in that it has life on it. Reasons why Earth has life: ● Thin blanket of air c ...
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Pale Blue Dot - Pacific Science Center

... tiny dot centered in one of those rays of light. X-Ray Sun This is an x-ray movie of the Sun taken from a geosynchronous weather satellite. In addition to monitoring weather on Earth these satellites are also equipped with instruments to monitor the space environment. This movie spans a period of 17 ...
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... Cygnus X-1 is believed to be a black hole. Give two examples of how astronomers can (sometimes) determine whether an X-ray-emitting object is a neutron star or black hole. (2 points)! ...
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... surfaces get colder and older. Ganymede is the largest moon in the solar system and also generates it's own magnetic field, just like the Earth! ...
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Formation and evolution of the Solar System



The formation of the Solar System began 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. Most of the collapsing mass collected in the center, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar System bodies formed.This widely accepted model, known as the nebular hypothesis, was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace. Its subsequent development has interwoven a variety of scientific disciplines including astronomy, physics, geology, and planetary science. Since the dawn of the space age in the 1950s and the discovery of extrasolar planets in the 1990s, the model has been both challenged and refined to account for new observations.The Solar System has evolved considerably since its initial formation. Many moons have formed from circling discs of gas and dust around their parent planets, while other moons are thought to have formed independently and later been captured by their planets. Still others, such as the Moon, may be the result of giant collisions. Collisions between bodies have occurred continually up to the present day and have been central to the evolution of the Solar System. The positions of the planets often shifted due to gravitational interactions. This planetary migration is now thought to have been responsible for much of the Solar System's early evolution.In roughly 5 billion years, the Sun will cool and expand outward many times its current diameter (becoming a red giant), before casting off its outer layers as a planetary nebula and leaving behind a stellar remnant known as a white dwarf. In the far distant future, the gravity of passing stars will gradually reduce the Sun's retinue of planets. Some planets will be destroyed, others ejected into interstellar space. Ultimately, over the course of tens of billions of years, it is likely that the Sun will be left with none of the original bodies in orbit around it.
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