COSMIC PERSP.FUND.-MASTERING ASTRONOMY
COSMIC PERSP.FUND.-MASTERING ASTRONOMY
3rd Edition
ISBN: 9780134989273
Author: Bennett
Publisher: PEARSON
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Chapter 3, Problem 21SEQ

Explain all answer clearly, with complete sentences and proper essay structure if needed. An asterisk (*) designates a quantitative problem, for which you should show all your work.

Eris Orbit. The recently discovered object Eris, which is slightly larger than Pluto, orbits the Sun every 557 years. What is its average distance (semimajor axis) from the Sun? (Hint: Use Kepler’s third law.)

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Q: You have a CO2 laser resonator (λ = 10.6 μm). It has two curved mirrors with R₁=10m, R2= 8m, and mirror separation /= 5m. Find: R2-10 m tl Z-O 12 R1-8 m 1. Confocal parameter. b= 21w2/2 =√1 (R1-1)(R2-1)(R1+R2-21)/R1+R2-21) 2. Beam waist at t₁ & t2- 3. Waist radius (wo). 4. 5. The radius of the laser beam outside the resonator and about 0.5m from R₂- Divergence angle. 6. Radius of curvature for phase front on the mirrors R₁ & R2-
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