EARTH SCIENCE Exam 7B 36TFA catadioptric telescope is unlike either a refracting

Question

EARTH SCIENCE Exam 7B 36TFA catadioptric telescope is unlike either a refracting or re 37. T F Diffaction spikes in a reflecting telescope have a "Star of appearance are few benefits of the space program other than 38. T F There 39. T F Spirit and Opportunity were F Spint and Opportunity were space probes that stud ided Answer the following questions in the space prov 40. A. Using one complete sentence, explain what an astronomical unit is. B. Using one complete sentence, explain what a light year is. C. Using one complete sentence, explain why it is necessary to use astronomical units or light years to measure distances in the universe. 41. What is a Foucault Pendulum and how does it show that the Earth rotates? 288

Explanation / Answer

1)Catadioptric or compound telescopes use both reflection and refraction so It is false.

2)True,It is a small number of reflecting telescopes which is designs to avoid diffraction spikes. And some amateur astronomers give name to bright stars as the "Star of Bethlehem" appearance –

3)There are many benefits of space program as like Job creation,education and other intangible benefits other than knowledge about our universe. So it is false.

4)False.Spirit and Opportunity are a part of NASA's Mars Exploration Rover mission which is exploring the planet Mars.

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