To be able to better resolve two stars that are close together using a telescope, what...
To be able to better resolve two stars that are close together using a telescope, what should you do?
To be able to better resolve two stars that are close together using a telescope, what should you do?
| a.Use a larger diameter lens or mirror |
| b.Gather light for a longer time |
| c.Use a higher magnification |
| d.View the stars using longer wavelength light |
Homework Answers
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To be able to better resolve two stars that are close together
using a telescope, what...
Problem 2 a. Using the telescope on-board his spaceship, Captain Kirk barely manages to resolve two...
Problem 2 a. Using the telescope on-board his spaceship, Captain Kirk barely manages to resolve two distant galaxies that are 0.3 arc-seconds apart (1 arc-second 1/3600 Degree). If he is imaging at 550 nm wavelength, what is the effective aperture (diameter) of the objective lens of the telescope? Assume that there are no geometrical aberrations. (5 points) b. Consider the following imaging setup with a transverse magnification Iml3, If we are to resolve the image of the two fixed point...
6) Suppose that two stars in a binary system are separated by a distance of 1...
6) Suppose that two stars in a binary system are separated by a distance of 1 billion kilometers and are located at a distance of 2000 light-years from Earth. Would a space based telescope with a diameter of 10-meters be able to resolve the two stars at a wavelength of 6000 Angstroms?
Suppose your Newtonian reflect has an objective mirror 10 cm (4 inches) in diameter. a) What...
Suppose your Newtonian reflect has an objective mirror 10 cm (4 inches) in diameter. a) What is the telescope's diffraction-limited angular resolution when used with yellow light of wavelength 600 nm? b) A binary star is a system of two stars orbiting each other. Suppose you are observing a binary star consisting of two yellow stars having an angular separation of 0.5 arc-seconds. Will your telescope be able to resolve the two stars? Explain your answer. c) Would you be...
The Hubble Space Telescope has a mirror diameter of 2.4 m. Suppose the telescope is used...
The Hubble Space Telescope has a mirror diameter of 2.4 m. Suppose the telescope is used to photograph stars near the center of our galaxy, 30,000 light years away, using red light with a wavelength of 720 nm . A) What's the distance (in km) between two stars that are marginally resolved? The resolution of a reflecting telescope is calculated exactly the same as for a refracting telescope. B) For comparison, what is this distance as a multiple of the...
You are in charge of designing a new telescope to map far away stars. Given that...
You are in charge of designing a new telescope to map far away stars. Given that our galaxy is 10^5 light years across and most stars are ? 10 light years apart (a) what diameter aperture do you need for mapping these stars? (Assume that you are using visible light, (b) How large would the aperture have to be to distinguish binary stars (only 10^(-7) ly apart)?
What is the linear size of the smallest feature on the moon you could resolve with...
What is the linear size of the smallest feature on the moon you could resolve with a Galilean telescope that has an objective lens with a diameter of 58.0 mm? Assume that the resolution would be diffraction limited and that the moon is 380,000 km away. Take the wavelength of light as 550 nm, which is near the peak of our sensitivity. Please include units of answer.
1. What is the minimum telescope aperture needed to resolve an object whose angular diameter is...
1. What is the minimum telescope aperture needed to resolve an object whose angular diameter is 0.38 arc seconds, observed at 540 nm wavelength? Note: 1arcsec=(1/3600)∘. **express in cm 2. Find the minimum angular separation resolvable with 625 nm laser light passing through a circular aperture of diameter 2.1 cm . 3. The interference pattern from two slits separated by 0.35 mm has bright fringes with angular spacing 0.073 ∘. **express in nm**
The next generation of large telescopes includes a proposed 30 m telescope on top of Mauna...
The next generation of large telescopes includes a proposed 30 m telescope on top of Mauna Kea in Hawaii. If this telescope is pointed towards two identical stars which orbit around each other at the Neptune-Sun distance of 4.5 billion km = 4.5 × 10^12m, what is the maximum distance in meters between Earth and the two stars at which the telescope can still resolve them? Assume that the telescope observes light with a wavelength of 500 nm. The answer...
If a camera with a 60 mm lens is to resolve two objects that are 3.0...
If a camera with a 60 mm lens is to resolve two objects that are 3.0 mm from each other and both objects are 4.0 m from the camera lens, what is the minimum diameter of the camera lens? Assume the wavelength of the light is 550 nm Express your answer using two significant figures What is the revolving power? Express your answer using two significant figures.
Sometime around 2022, astronomers at the European Southern Observatory hope to begin using the E-ELT (European...
Sometime around 2022, astronomers at the European Southern Observatory hope to begin using the E-ELT (European Extremely Large Telescope), which is planned to have a primary mirror 42 m in diameter. Let us assume that the light it focuses has a wavelength of 520 nm. (1 light-year =9.461x 1015 m) Note: Jupiter's Diameter di 1.43 x 108 m 1) What is the most distant Jupiter-sized planet the telescope could resolve, assuming it operates at the diffraction limit? (Express your answer...
Problem 2 a. Using the telescope on-board his spaceship, Captain Kirk barely manages to resolve two distant galaxies that are 0.3 arc-seconds apart (1 arc-second 1/3600 Degree). If he is imaging at 550 nm wavelength, what is the effective aperture (diameter) of the objective lens of the telescope? Assume that there are no geometrical aberrations. (5 points) b. Consider the following imaging setup with a transverse magnification Iml3, If we are to resolve the image of the two fixed point...
6) Suppose that two stars in a binary system are separated by a distance of 1 billion kilometers and are located at a distance of 2000 light-years from Earth. Would a space based telescope with a diameter of 10-meters be able to resolve the two stars at a wavelength of 6000 Angstroms?
Sometime around 2022, astronomers at the European Southern Observatory hope to begin using the E-ELT (European Extremely Large Telescope), which is planned to have a primary mirror 42 m in diameter. Let us assume that the light it focuses has a wavelength of 520 nm. (1 light-year =9.461x 1015 m) Note: Jupiter's Diameter di 1.43 x 108 m 1) What is the most distant Jupiter-sized planet the telescope could resolve, assuming it operates at the diffraction limit? (Express your answer...
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