Astro Expert TA 2
Arrange the star trail images in order of increasing latitude.
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Circles in the SkyNote: Some words are missing from the following related paragraph.If you were standing at Earth's north pole, and you looked up to the zenith (the point directly above your head), you would be looking at the point where the _____________ is located. At the Earth's North Pole, the celestial equator would be at your __________. If, on the other hand, you were at the Earth's equator, you would see one point of the celestial equator pass through your ____________. If you are looking at the sky from the continental United States, the north celestial pole would have an angular height (an altitude) equal to your _____________. Right now, the star located very close to our north celestial pole is ___________.
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Distinguish among the statements below which were reasons, and which were not reasons, why the geocentric model persisted for so long.
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Identify the phases that Venus would show if the geocentric model were correct.
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In this diagram of the CelestiUsing the image below, answer the following questions about the position of the North Celestial Pole.
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Match the labels with the indicated elements of a meridian diagram drawn for an observer at a latitude of 60° N
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Match the labels with the motion of the sky seen at various latitudes on Earth.
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Match the labels with the various elements of Ptolemy's geocentric model.
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The figure below illustrates the heliocentric model, but depicting only the orbits of Earth and Venus. Using the drag-and-drop environment, place the phases of Venus in the correct orbital position relative to Earth and the Sun where each phase would be seen as viewed from Earth.
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Using the drag-and-drop environment, arrange the list of latitudes in order of increasing (least to greatest) number of observed circumpolar stars.
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Using the image below, answer the following questions about the position of the North Celestial Pole.
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Using the image below, answer the following questions about the position of the North Celestial Pole.
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During a retrograde loop of Mars, will Mars appear brighter than usual in the sky, about average in brightness, or fainter than usual in the sky?
Brighter
According to the geocentric view, everything in the heavens had to go around the Earth, which was the center of the universe. What objects did Galileo discover with his telescope that clearly didn't go around the Earth?
moons around the planet Jupiter
The celestial sphere turns once around each day because
the planet on which we live is rotating
Which of the following is NOT a result of the Earth's precession?
the stars twinkle when seen from the surface of planet Earth
From which location could you observe all of the stars during the course of a year?
Equator
In the United States, the north celestial pole is always located at the observer's zenith.
FALSE
Which of the following is the primary flaw in the Copernican heliocentric model that hindered its predictive accuracy?
Orbits were perfectly circular
