Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Dec 27, 2023

What is so unique about the mirrors of very large telescopes such as the Keck Observatory and the GTA telescope on the Canary Islands.? a.

What is so unique about the mirrors of very large telescopes such as the Keck Observatory and the GTA telescope on the Canary Islands.?

a. The mirrors are made of a newly designed metallic material.

b. The mirrors can fold up when not in use.

c. The mirrors are inexpensive.

d. The mirrors are segmented.

e. The mirrors are thin.

Step by Step Solution

★★★★★

3.45 Rating (148 Votes )

There are 3 Steps involved in it

Step: 1

The detailed answer for the above question is provided b... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Making Hard Decisions with decision tools

Authors: Robert Clemen, Terence Reilly

3rd edition

538797576, 978-0538797573

More Books

Students also viewed these Physics questions

Question

★★★★★

When an amateur astronomer considers purchasing or building a telescope to view deep sky objects (galaxies, clusters, nebulae, etc.), the three primary considerations are minimizing cost, having a...

Answered: 1 week ago

Question

★★★★★

In the fall of 20X1, eight wealthy businesspeople from the same ethnic background formed a committee (CKER committee) to obtain a radio license from the Canadian Radio- Television and...

Answered: 1 week ago

Question

★★★★★

In the fall of Year 5, eight wealthy business people from the same ethnic back ground formed a committee (CKER committee) to obtain a radio license from the Canadian Radio-Television and...

Answered: 1 week ago

Question

★★★★★

1) The following information relates to the ABCs depreciable assets. Class 1 - During 2020, a new office building was acquired at a total cost of $623,000. Of this total, it is estimated that the...

Answered: 1 week ago

Question

★★★★★

Describe the participants in the systems design stage. How do these participants compare with the participants of systems investigation?

Answered: 1 week ago

Question

★★★★★

Formal line of credit: Gruppa, Inc., has just set up a formal line of credit of $10 million with First Community Commercial Bank. The line of credit is good for up to five years. The bank will charge...

Answered: 1 week ago

Question

★★★★★

understand the selection bias in contemporary work psychology;

Answered: 1 week ago

Question

★★★★★

Alamo Metal Works produces 300,000 units at 80% of its total capacity. Its fixed factory overhead is $2,500,000. Unit contribution margin is as follows: Selling price...

Answered: 1 week ago

Question

★★★★★

Disposable personal income is equal to O personal income minus personal taxes and some nontax payments. O total income minus depreciation. national income minus retained earnings and indirect...

Answered: 1 week ago

Question

★★★★★

Garnett Jackson, the founder and CEO of Tech Tune-Ups, stared out the window as he finished his customary peanut butter and jelly sandwich, contemplating the dilemma currently facing his firm. Tech...

Answered: 1 week ago

Question

★★★★★

Write notes on ANY TWO of the following: (i) Differential relays. (ii) Inductive interference in a transmission line. (iii) Nickel-cadmium cells.

Answered: 1 week ago

Question

★★★★★

7) 0.5 kg of Nitrogen is compressed in a polytropic process with n = 1.3 from 150 kPa and 20C to 900 kPa in a piston-cylinder device. Determine the work done on the gas and heat transferred during...

Answered: 1 week ago

Question

★★★★★

The CEO (Chief Executive Officer) wants a new car. She has proposed that the $130,000 cost for her new Tesla - minus $50,000 for the sale of her current vehicle - should be built into each of the...

Answered: 1 week ago

Question

★★★★★

Cane Company manufactures two products called Alpha and Beta that sell for $195 and $150, respectively. Each product uses only one type of raw material that costs $5 per pound. The company has the...

Answered: 1 week ago

Question

★★★★★

i) Illustrate the forces acting on the roller coaster when it is at the bottom, top and the same level as the center. (4 marks) ii) Calculate the force exerted by the track on the car at the lowest...

Answered: 1 week ago

Question

★★★★★

The following Saturday morning, the dentist, assisted by you, is finishing a complicated series of tooth extractions and repairs on a patient. This required anaesthetic injections to the patient's...

Answered: 1 week ago

Question

★★★★★

Explain how to implement the algorithm PERMUTE-BY-SORTING to handle the case in which two or more priorities are identical. That is, your algorithm should produce a uniform random permutation, even...

Answered: 1 week ago

Question

★★★★★

Find the image of x = k = const under w = 1/z. Use formulas similar to those in Example 1. y| y = 0 -21 -2 -1 -1, /1 12 T -1 -1 y= -2 x =0

Answered: 1 week ago

Question

★★★★★

Explain what is meant when we speak of interaction between attributes. Why would the additive utility function from Chapter 16 be inappropriate if two attributes interact?

Answered: 1 week ago

Question

★★★★★

In the Rice University football example, what are some of the issues that you would consider in making this decision? What are the alternative courses of action? What issues involve uncertainty, and...

Answered: 1 week ago

Question

★★★★★

What is the relationship between stochastic dominance and expected value? If alternative A dominates alternative B, then is it always true that EV (A) is better than EV (B)? Why?

Answered: 1 week ago

Question

★★★★★

Calculate the missing quantities four-figure accuracy.

Answered: 1 week ago

Question

★★★★★

If the C$ weakens by 0.0211 from the value in Table 3.2, what will be the new value of C$ per 1.00?

Answered: 1 week ago

Question

★★★★★

Use the currency exchange rates in Table 3.2 to calculate the equivalent amounts of currencies.

Answered: 1 week ago

Previous Question Next Question