6:38ul LTEScreenshot_20201226-183601_Driv...Solar Probe Plus, Working with AngularDiameterThe Solar Probe Plus mission willbe launched in 2018 for a rendezvouswith the sun in 2024. To lose enoughenergy to reach the sun, the spacecraftwill make seven fly-bys of Venus.The 480 kg spacecraft, costing$740 million, will approach the sun to adistance of 5.8 million km. Protected bythe heat shield will be five instrumentsthat will peak over the edge of the heatshield and measure the particles andradiation fields in the outer solar corona.At the closest approach distance,the sun will occupy a much larger area ofthe sky than what it does at the distanceof Earth.The angular size of an object as it appears to a viewer depends on theactual physical size of the object, and its distance from the viewer. Althoughphysical size and diameter are usually measured in terms of meters or kilometers,the angular diameter of an object is measured in terms of degrees or radians. Theangular size, t, depends on its actual size d and its distance r according to thesimple formula@ = 2areTanFor example, the angular size of your thumb with your arm fully extended ford = 2 centimeters and r= 60 cm is just e = 2 arcTan(0.016) so e = 1.8 degrees.Problem 1- At the distance of Earth, 147 million kilometers, what is the angulardiameter of the sun whose physical diameter is 1.4 million kilometers?Problem 2 - At the distance of closest approach to the solar surface Solar ProbePlus will be at a distance of 5.8 million kilometers from the solar surface. What willbe the angular diameter of the sun if its physical diameter is 1.4 million kilometers?Problem 3 - A DVD disk measures 12 cm in diameter. How far from your eyes willyou have to hold the DVD disk in order for it to subtend the same angular size asthe disk of the sun viewed by Solar Probe Plus at its closest distance?

(1) Given: Distance from earth to sun is 147 millions kilometers. Physical diameter of the sun is…

Problem 1- At the distance of Earth, 147 million kilometers, what is the angular diameter of the sun whose physical diameter is 1.4 million kilometers? Problem 2 - At the distance of closest approach to the solar surface Solar Probe Plus will be at a distance of 5.8 million kilometers from the solar surface. What will be the angular diameter of the sun if its physical diameter is 1.4 million kilometers? Problem 3 - A DVD disk measures 12 cm in diameter. How far from your eyes will you have to hold the DVD disk in order for it to subtend the same angular size as the disk of the sun viewed by Solar Probe Plus at its closest distance?

Problem 1- At the distance of Earth, 147 million kilometers, what is the angular diameter of the sun whose physical diameter is 1.4 million kilometers? Problem 2 - At the distance of closest approach to the solar surface Solar Probe Plus will be at a distance of 5.8 million kilometers from the solar surface. What will be the angular diameter of the sun if its physical diameter is 1.4 million kilometers? Problem 3 - A DVD disk measures 12 cm in diameter. How far from your eyes will you have to hold the DVD disk in order for it to subtend the same angular size as the disk of the sun viewed by Solar Probe Plus at its closest distance?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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