observed wandering along the background of stars? (Points: 2) d. seven 2. To the early Greeks‚ the stars were on a transparent‚ hollow sphere called the __________ sphere. (Points: 2) d. celestial 3. The apparent westward "drift" of the planets compared to the background stars is called ______________. (Points: 2) e. retrograde motion 4. The formation of the solar system from a huge cloud of dust and gases is called the ______________theory (although some sources refer to
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By Melinda Herron 11/29/2011 Moons of Saturn The moons of Saturn are a very interesting topic to research. Before beginning this amazing journey on the moons‚ first we must do a brief overview of the planet Saturn. Saturn is the sixth largest planet from the sun; it is very large and does not have very much water. This research paper will explore the different moons‚ the names‚ atmosphere‚ similarities and sizes of the moons. Saturn has 62 moons that have been discovered
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atmosphere‚ single celled aerobic organism. Achaean (3800-2500) Anaerobic bacterial life‚ oxygen starts to accumulate Experiments with bacteria start to occur within nature Create proton gradients Hadean (4600-3800 Ma) Formation of the solar system and planet‚ end with origins of life Fungi is the closest ancestor to us Slide 4 Major Era – Phanerozoic Cenozoic (65 Ma to present) Dinosaurs disappear‚ mammals and birds Mesozoic (251-65 Ma) Flowering plats‚ dinosaurs‚ even more insects Paleozoic (543-251
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There are exactly 8 phases of the moon. Each phase repeats themselves about once every 29.5 days. The Moon is very old‚ it is about 4.5 billion years old. To us the moon looks like it is moving very slow but it is actually pretty fast. It moves to about 2‚288 miles per hour. The moon constantly spins counter-clockwise. The phases are usually caused by the shadow and light of the Earth and Sun. The Moon has another name as well. The second name for the Moon is luna. The Moon is earth’s only natural
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* Question 1 0 out of 1 points | | | 1. After a new moon‚ about how long is it until a 1st quarter moon? Answer | | | | | Selected Answer: | B. Two weeks | Correct Answer: | C. A week | | | | | * Question 2 0 out of 1 points | | | 2. If there is a full moon visible from Paris one evening‚ twelve hours later in Australia there will be a _________ visible. Answer | | | | | Selected Answer: | B. New moon. | Correct Answer: | A. Full moon. | | | | |
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center of their rotation Obliquity - tilt of a planet’s axis Ecliptic - a plane in space defined by Earth’s orbit around the Sun; plane by which the orbit of all other planets in the solar system are compared Inclination - angle between plane of orbit and ecliptic plane Transit - passing of object in front of star‚ transit of planets can only occur on line of nodes; transit of Venus will occur next year and will not occur again until 2117 Prograde - Normal orbital motion‚ right hand rule (counterclockwise)
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translates to “something high up” or “in the air”. It was used to describe a celestial phenomenon known as a meteor. In the late 19th century‚ astronomers derived the word meteorite to describe a meteor that hits earth. Meteorites hurl down our planet as streaks of light. Nowadays‚ people generally use the term “falling star” or “shooting star”. People who are lucky enough to witness a meteorite falling from the sky describe it as a ball of fire which fades from sight at a wink. If one is lucky
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other stars in existence in our universe‚ and most of those stars have satellites‚ and those satellites have satellites. There are literally hundreds of trillions‚ if not more‚ planets or planet-sized satellites orbiting stars. To think that none of these could have life on them is just to be naive. If it happened to our planet‚ out of hundreds of trillions of them out there‚ it can happen to another‚ and another. We can’t be alone; distant‚ maybe‚ but alone is just too far-fetched a theory. Belief
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because the planet we lived in got destroyed. We had no chance but to invade earth. We are sorry for causing so much trouble.” Then Zack had a idea‚ he told all the students that‚” What if we lied to the police that their robot had malfunctioned and had went berserk on earth? We can also help them by telling them the location of another solar system with a planet that is similar to earth!” Everyone liked the idea and they lied to the police and safely relocated the aliens to another planet called
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Surya is the important ancient Hindu Solar God. There are many hymns found in the Rig Veda which mention or honor Surya. The Rig Veda is a collection of more than a thousand hymns written between 1200 and 900 B.C. by people known as Aryans‚ who came to Afghanistan‚ Pakistan‚ and India from the Eurasian steppes to the north. The Rig Veda is one of the earliest known writings written in any Indo-European language. Hymn I.50 speaks to the Sun. (This passage is from The RigVeda; an anthology‚ a translation
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