a) Estimate the angular diameter of your thumb, held at arm’s length (assume your thumb diameter is 2 cm and an arm length of 75 cm). b) The Moon lies 384,000 km from Earth, and the Sun lies 150,000,000 km away. If both have the same angular size as seen from Earth, how many times larger than the Moon is the Sun
a) Estimate the angular diameter of your thumb, held at arm’s length (assume your thumb diameter is 2 cm and an arm length of 75 cm). b) The Moon lies 384,000 km from Earth, and the Sun lies 150,000,000 km away. If both have the same angular size as seen from Earth, how many times larger than the Moon is the Sun
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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a) Estimate the angular diameter of your thumb, held at arm’s length (assume your thumb
diameter is 2 cm and an arm length of 75 cm). b) The Moon lies 384,000 km from Earth,
and the Sun lies 150,000,000 km away. If both have the same angular size as seen from
Earth, how many times larger than the Moon is the Sun
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