Fluent Essays

I have 2 quizzes one is timed. Please let me know who is available for both. QUESTION 1 · Which of these planets will never be seen crossing the meridian in the night sky? Mercury Mars Jupiter Saturn 0.75 points QUESTION 2 · Which is the asterism and which is the constellation: Orion and Orion’s belt? Name another asterism/constellation combination. Orion is the constellation and Orion’s belt is the asterism. The Big Dipper is an asterism within the constellation Ursa Major. Orion’s belt is the constellation and Orion is the asterism. The Big Dipper is an asterism within the constellation Ursa Major. Orion is the constellation and Orion’s belt is the asterism. Ursa Major is an asterism within the constellation Big Dipper. Orion’s belt is the constellation and Orion is the asterism. Ursa Major is an asterism within the constellation Big Dipper. 0.75 points QUESTION 3 · How did the magnitude system originate in a classification of stars by apparent brightness? The stars were divided into six classes: the brightest were called first magnitude and the faintest were called sixth magnitude. The stars were divided into five classes: the brightest were called first magnitude and the faintest were called fifth magnitude. The stars were divided into six classes: the brightest were called sixth magnitude and the faintest were called first magnitude. The stars were divided into five classes: the brightest were called fifth magnitude and the faintest were called first magnitude. 0.75 points QUESTION 4 · Tonight you see a waxing crescent moon. Seven days from now, which phase will you see if the night is clear? Seven days later, the phase of the Moon would be a waxing crescent. Seven days later, the phase of the Moon would be a waning gibbous. Seven days later, the phase of the Moon would be a waning crescent. Seven days later, the phase of the Moon would be a waxing gibbous. 0.75 points QUESTION 5 · Why are most of the constellations that were invented in modern times located in the southern sky? Southern stars became brighter during stellar evolution in more recent years. Many of the stars in modern constellations are newly born; they did not exist when early astronomers were observing. Stars in the southern sky were not visible to early astronomers observing from northern latitudes. Due to the cycles of Earth’s axis inclination variation, stars that used to be in the southern hemisphere are in the northern one now. 0.75 points QUESTION 6 · Why can’t the Moon be eclipsed when it is halfway between nodes of its orbit? The Moon in this position could not be full. The Moon in this position could not be in exactly the same direction as the Sun. The Moon in this position could not be directly opposite the Sun. The Moon in this position could not be new. 0.75 points QUESTION 7 · The ____ of the Moon and Sun vary slightly because the orbits of the Moon and Earth are slightly elliptical. The results of this may include a “supermoon” or an annular eclipse. angular density linear diameter linear distance angular diameter angular momentum 0.75 points QUESTION 8 · What produces the lunar phases? The rotation of the Moon The revolution of the Moon The changing direction of sunlight Earth’s tilted axis relative to the Moon The changing direction of Earth to the Moon 0.75 points QUESTION 9 · Star A has a magnitude of 1.0, and it is 60 times brighter than Star B. What is the magnitude of Star B? 3.4 5.4 -3.4 7.0 61 0.75 points QUESTION 10 · Where do you live if the noon Sun is never more than 23.5 degrees from your zenith, and it crosses your zenith twice each year? North Pole South Pole Tropic of Cancer Arctic Circle Equator 0.75 points QUESTION 11 · What is the approximate flux ratio between a star with a magnitude of 2.0 and a star with a magnitude of 4.5? In other words, how many times brighter is one star than the other? 2.5 62 10 6 43 0.75 points QUESTION 12 · In what ways is a celestial sphere a scientific model? It provides us with insight into ancient beliefs about the Universe. It describes what we see as the sky appears to turn above us, and enables us to predict the positions of stars. It is a rescaled smaller copy of the Universe, which allows us to visualize its structure. It provides a precise description of the structure of the Universe. 0.75 points QUESTION 13 · Why don’t solar eclipses happen every new moon? Due to the Moon’s orbital tilt. Solar eclipses can only occur when the Moon is new near one of the nodes of the Moon’s orbit. Due to the eccentricity of the Moon’s orbit. Solar eclipses can only occur when the Moon is at the average distance from Earth. Due to Earth’s axial tilt. Solar eclipses can only occur when Earth’s rotation axis is nearly perpendicular to the ecliptic. Due to the eccentricity of Earth’s orbit. Solar eclipses can only occur when Earth is at the average distance from the Sun. 0.75 points QUESTION 14 · Where would you go on Earth if you wanted to be able to see both the north celestial pole and the south celestial pole at the same time? To the latitude 23.4 degrees north of Earth’s equator. To Earth’s North or South Pole. To the latitude 66.6 degrees south of Earth’s equator. To Earth's equator 0.75 points QUESTION 15 · Why do solar eclipses happen only at new moon? The Moon should be in Earth’s shadow, therefore, at the same side as the Sun. The Moon should be in Earth’s shadow, therefore, at the opposite side from the Sun. Earth should be in the Moon’s shadow, therefore at the opposite side of the Sun. Earth should be in the Moon’s shadow, therefore, at the same side as the Sun. 0.75 points QUESTION 16 · From your knowledge of star names and constellations, which of the following stars is probably brighter, Alpha Ursae Majoris or Epsilon Ursae Majoris? Epsilon Ursae Majoris is brighter because it is designated by a Greek letter that is nearer to the beginning of the Greek alphabet. Epsilon Ursae Majoris is brighter because it has a Greek letter designation that suggests that it is the brightest star in the constellation of Ursa Major. Alpha Ursae Majoris is brighter because it has a Greek letter designation that suggests that it is the brightest star in the constellation of Ursa Major. Alpha Ursae Majoris is brightest because it is designated by a Greek letter that is nearer to the end of the Greek alphabet. 0.75 points QUESTION 17 · It is the first day of summer. Will the days start getting longer tomorrow, start getting shorter tomorrow, or will the Sun stay up in the sky tomorrow for as long as it did today? The days will start getting longer. The days will start getting shorter. The sun will stay up in the sky for as long as it did today. The increase or decrease in the day length depends on the latitude. 0.75 points QUESTION 18 · How does the Greek letter designation of a star give you clues both to its location and its apparent brightness? The brightest star in a constellation is usually designated as Alpha, the second brightest as Beta, and so on. The star’s approximate location is described by the name of the constellation. The constellation name describes the star’s location in the sky; the brightest star in a constellation is usually designated as Omega, the second brightest as Psi, and so on. The constellation name describes the star’s location in the sky; the faintest star is usually designated as Alpha, the second faintest as Beta, and so on. The Greek letter describes the star’s location in the sky. The constellation name describes the star’s apparent brightness. 0.75 points QUESTION 19 · What approximate date is the spring equinox for the Southern hemisphere? December 21 September 21 June 21 March 21 December 25 0.75 points QUESTION 20 · Where would you need to go on Earth to see the celestial equator very near your horizon? To the latitude 66.6 degrees south of Earth’s equator. To the latitude 23.4 degrees north of Earth’s equator. To Earth’s North or South Pole. To Earth’s equator. 0.75 points Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 1 · If you live here, there are two days each year that the Sun would be at your zenith at noon. North Pole Arctic Circle Tropic of Cancer Equator 2.5 points QUESTION 2 · If you can determine the altitude of Polaris from where you are standing, what else does that tell you? your longitude on the Earth your latitude on the Earth your right ascension your rate of precession 2.5 points QUESTION 3 · You are facing due west at sunset. You notice the sun is setting a good bit to your left. Which of these could be a date for making such an observation in Lynchburg, VA? March 21 June 21 September 21 December 21 none of the above; the sun always sets due west 2.5 points QUESTION 4 · A third quarter moon sets at approximately 6:00 a.m. noon 6:00 p.m. midnight none of the above 2.5 points QUESTION 5 · What was the purpose of the IAU establishing 88 official constellations? To allow ancient stories of each constellation to be preserved To name all constellations the same across any culture To identify which constellation was created by which culture To define boundaries for constellations including every part of the sky To include additional, fainter stars within a constellation 2.5 points QUESTION 6 · Which planet is the basis for the day we call Tuesday? Venus Mars Mercury Jupiter 2.5 points QUESTION 7 · The use of declination and right ascension is known as the horizon system altazimuth system equatorial system circumpolar system 2.5 points QUESTION 8 · What conditions are necessary for a total solar eclipse? new moon on ecliptic near perigee full moon on ecliptic near aphelion new moon on equator at perigee full moon on equator at perigee new moon on ecliptic near aphelion 2.5 points QUESTION 9 · Driving just after sunset, if you observe the Moon low in the western sky, its phase must be: waxing crescent. first quarter. waxing gibbous. waning crescent. new moon. 2.5 points QUESTION 10 · According to the presentation, these two passages taken together teach that God makes Himself evident to everyone, but there will be those who suppress that truth. Psalm 23 and John 1 Genesis 1 and Romans 8 Proverbs 16 and Colossians 1 Psalm 19 and Romans 1 Isaiah 47 and II Peter 2 2.5 points QUESTION 11 · One relatively simple way to describe the position of an object in the sky is to use the altitude and azimuth at your location. This is known as the horizon system equatorial system coordinate system circumpolar system 2.5 points QUESTION 12 · What is the length of time half of the Moon stays in sunlight per full rotation? 29.53 days 27.3 days two weeks one month two months 2.5 points QUESTION 13 · The best time to see Orion would be in the spring fall Late fall or early spring Winter summer 2.5 points QUESTION 14 · Based on a figure provided in chapter 2, which of these constellations should we expect NOT to see in April? Virgo Cancer Scorpio Pisces 2.5 points QUESTION 15 · The book of Job mentions a beautiful star-cluster. You can enjoy seeing it in the winter near the constellation Taurus. This cluster is known as the Hyades the Pleiades the beehive cluster the globular cluster the Perseids 2.5 points QUESTION 16 · Star A has a magnitude of 2.0, and it is 50 times brighter than Star B. What is the magnitude of Star B? -2.25 1.35 4.25 6.25 12.15 2.5 points QUESTION 17 · Driving just before sunrise, if you observe the Moon low in the eastern sky, its phase must be: waxing crescent. first quarter. waxing gibbous. waning crescent. new moon. 2.5 points QUESTION 18 · What are the two parts of a shadow during an eclipse? total and partial apogee and perigee sidereal and synodic waxing and waning umbra and penumbra 2.5 points QUESTION 19 · If you spot Procyon, Betelgeuse, and Sirius along your southern sky around 9:00 pm in the northern hemisphere, it must be which of these months? March June September January all of the above; these stars will be in the same position all year 2.5 points QUESTION 20 · Which is a unit used to measure angular distance? seconds minutes kilometers arc seconds light years 2.5 points QUESTION 21 · Which of these is an important winter constellation that can serve as a landmark for finding other objects? The Big Dipper The Winter Triangle Orion The Pleiades Bootes 2.5 points QUESTION 22 · Which of these observations do you expect to see as seasonal changes? changes in the height of the noon sun changes in the position of the rising sun changes in the position of the setting sun changes with constellations along the ecliptic all of the above 2.5 points QUESTION 23 · According to the presentation on “Scale,” how far should a scale model Earth be from a scale model moon to get a sense of distance? 10 Earths side-by-side 20 Earths side-by-side 30 Earths side-by-side 40 Earths side-by-side 50 Earths side-by-side 2.5 points QUESTION 24 · The ____ of the Moon and Sun vary slightly because the orbits of the Moon and Earth are slightly elliptical. The results of this may include a “supermoon” or an annular eclipse. angular density linear diameter linear distance angular diameter angular momentum 2.5 points QUESTION 25 · The difference between a solar day and a sidereal day is due to the Earth’s rotation precession revolution retrograde motion 2.5 points QUESTION 26 · If the magnitude difference between two stars is 4.5, what is the flux ratio? 6.3 20.6 61.8 196 1090 2.5 points QUESTION 27 · Even though modern astronomers know that stars are scattered through space at different distances, they still use what model to describe celestial locations in the sky? apparent visual magnitude Copernican revolution celestial sphere scientific orb planetarium dome 2.5 points QUESTION 28 · You are facing due west at sunset. You notice the sun is setting a good bit to your right. Which of these could be a date for making such an observation in Lynchburg, VA? March 21 June 21 September 21 December 21 none of the above; the sun always sets due west 2.5 points QUESTION 29 · Eclipses can occur only when, viewed from Earth, the Sun is near one of the ____ of the Moon’s orbit. nodes points phases paths ecliptics 2.5 points QUESTION 30 · What is a new moon? The lunar phase in which the first-quarter moon approaches full moon The lunar phase in which Earth’s shadow is cast on the Moon The lunar phase in which the Moon’s shadow is cast on Earth The lunar phase in which sunlight illuminates only the far side of the Moon The lunar phase in which sunlight illuminates the Earth facing side of the Moon 2.5 points QUESTION 31 · How many times does the Moon cross the ecliptic each month? none once twice three times four times 2.5 points QUESTION 32 · What conditions are necessary for an annular solar eclipse—an eclipse in which the moon cannot completely cover the face of the sun? new moon on the equator at perigee full moon on the ecliptic at perihelion new moon on the ecliptic at perigee new moon on the equator at apogee new moon on the ecliptic at apogee 2.5 points QUESTION 33 · This asterism can easily be used to lead you to Canis Major or to Taurus Orion The Big Dipper Cygnus Orion’s belt The Summer Triangle 2.5 points QUESTION 34 · What produces the lunar phases? The rotation of the Moon The revolution of the Moon The changing direction of sunlight Earth’s tilted axis relative to the Moon The changing direction of Earth to the Moon 2.5 points QUESTION 35 · According to the presentation “Scale,” if you had a model in which the Milky Way galaxy was the size of a compact disc (CD), then the next closest galaxy would be about how far away? 7.5 inches 7.5 feet 7.5 yards 7.5 miles 2.5 points QUESTION 36 · Where would you have to go in order to see Polaris at your zenith? Lynchburg, VA The equator The North Pole The South Pole anywhere—Polaris is always at our zenith 2.5 points QUESTION 37 · Due to a gradual motion of the Earth, in Abraham’s time the “north star” was Thuban. This motion is known as ____. rotation precession revolution precision recession 2.5 points QUESTION 38 · The majority of specific star names today came from what language? Arabic Latin Greek Spanish Italian 2.5 points QUESTION 39 · Based on the class presentation, explain how to use the Big Dipper to locate (1) Polaris, and (2) Arcturus. Use complete sentences to write your answer as a paragraph. -- Font family -- -- Font size -- -- Format -- Heading Sub Heading 1 Sub Heading 2 Paragraph Formatted Code -- Font family -- Andale Mono Arial Arial Black Book Antiqua Calibri Comic Sans MS Courier New Georgia Helvetica Tahoma Times New Roman Verdana Webdings BibleWorks Greek BibleWorks Greek Italic BibleWorks Hebrew Teknia Greek SBL Greek SBL Hebrew -- Font size -- 1 (8pt) 2 (10pt) 3 (12pt) 4 (14pt) 5 (18pt) 6 (24pt) 7 (36pt) Path: p Words:0 5 points Click Save and Submit to save and submit. Click Save All Answers to save all answers.