Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 1, Problem 5Q
To determine
The usefulness of a telescope in space.
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Chapter 1 Solutions
Universe
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- Outline the invention of a telescope. Describe the working of a telescope.arrow_forwardThe Giant Magellan Telescope is a new telescope being built in Chile with a mirror 25 meters in diameter. Part 1: If you neglect the impact of Earth's atmosphere, what is the angular resolution limit (diffraction limit or resolving power) of this telescope in green light (500 nm)? Give your answer in arcseconds. Part 2: The current Magellan telescope has a mirror 6 meters in diameter. How much more light per second will the Giant Magellan capture compared to the current Magellan?arrow_forwardExplain why the radio horizon is at greater distance than the optical horizon.arrow_forward
- Tutorial You want to resolve 9.5 m features on Mercury with a 2 m telescope using 550 nm light. How close (in km) do you need to be? How does the orbital velocity (in km/s) at this altitude on Mercury compare to the orbital velocity at this altitude on Earth? (MẸ = 5.97 x 1024 kg, Re = 6.38 x 10 km, M = 3.30 x 1023 kg, R = 2440 km.) Part 1 of 4 The small angle formula tells us how distance and linear size are related to the angular size of an object. 2.06 x 105 D And the diameter of a telescope is related to the resolving power by: a- 2.06 x 105 diameter Part 2 of 4 First we should determine the resolving power of our 2 m telescope. a = 2.06 x 10 What is the wavelength you are trying to observe at? m diameter arc secondsarrow_forwardChoose 2 non optical telescopes, write the two you chose, and write what each telescope tells us about objects in spacearrow_forwardYou record the spectrum of a distant star using a telescope on the ground on Earth. Upon analysing the spectrum, you discover absorption lines spaced at intervals typical of oxygen atoms. Which of the following are possible interpretations of this evidence? Select all that apply. The width of the spectral lines gives the diameter of the star The star is likely orbited by habitable planets with breathable atmospheres. The height of the spectral lines above the star's general blackbody spectral curve tells us how much oxygen is in the star The atmosphere of Earth contains oxygen The red or blueshift of the set of lines can tell us the speed of the star's motion toward or away from usarrow_forward
- What is the ratio of the light-gathering power of a 10-meter telescope to that of a 1‑meter telescope? a. 10 to 1 b. 1 to 10 c. 100 to 1 d. 1 to 100 e. 3.2 to 1arrow_forwardwhich types of earth based telescopes can successfully observe celestial objects ? ( select all that apply) a. gamma ray telescope b. x ray telescope c.UV telescope d. visible light telescope e.infrared telescope f. radio telescopearrow_forwardThe blackbody emission spectrum of object A peaks in the ultraviolet region of the electromagnetic spectrum at a wavelength of 200nm. That of object B peaks in the red region, at 650nm. Which object is hotter, and, according to Wien's law, how many times hotter is it? note: please solve this accurate please please accurate and exact answer..thanksarrow_forward
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