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Astronomy 1010 Final Exam

Which layer of the sun does nuclear fusion take place? - Core Which layer of the sun is between the photosphere and the radiation zone? - Convection zone What two forces in the sun balance to determine the physical size of the sun? - Gravity and Radiation pressure How does the density of the sun change as the distance from the center of the sun increases? - decreases How does the temperature of the sun change as the distance from the center of the sun increases? - decreases How does ener...

Astronomy 1010 Test 2 Study Guide

Astronomy 1010 Final exam

To find the most accurate distance to a nearby star using parallax, astronomers could compare the view of the star against the background stars at what times of the year? - In January and July Which of the following correctly expresses the distance to a nearby star? - 1.3 parsecs Consider two stars (Y and Z) that both exhibit parallax. Star Z appears to move back and forth against the background stars by a greater amount than Y. Which star is farther away from Earth? - Star Y A star has a p...

Clemson Astronomy 1010 CH 2 Exam

How large does the Moon appear in the sky? - half a degree How large is the Big Dipper - more than 20 degrees The 2 Stars Alcor and Mizar are easily seperated by the human eye. This means they must be father apart than.. - one arc minute What is seeing? - The diameter of the blur caused by the atmosphere Which of the following limits the magnification of all but the smallest telescopes? - seeing What is an 8 x 50 pair of binoculars? - Magnification = 8 x, diameter = 50 mm How small is the...

Which of the following wavelength regions cannot be studied with telescopes on the ground? A) Radio waves B) Ultraviolet C) X rays D) both B and C E) both A and C - D) both B and C Earth and the people living on it are made mostly of carbon, oxygen, calcium, assorted rocks, and metals. Where did these materials come from? A) It was produced in the Big Bang. B) It was created by chemical reactions in interstellar space. C) It was produced by nuclear fusion in stars. D) It was made by o...

Astronomy 1010 Midterm 1 Exam Questions and Answers