The nearest neighboring star to the Sun is about 4 lightyears away. If a planet happened to be orbiting this star atan orbital radius equal to that of the Earth–Sun distance,what minimum diameter would an Earth-based telescope’saperture have to be in order to obtain an image that resolvedthis star–planet system? Assume the light emitted by thestar and planet has a wavelength of 550 nm.

Q: How does the resolving power of the Mount Palomar 5-m telescope compare with that of the 2.4-m…

A:

Q: 6. Jan throws a tennis ball straight up into the air for a short distance and catches it when it…

A: At point A , the ball is slowing down, it is so because when the ball is moving upwards, it is under…

Q: The angular separation in degrees of two objects is (physical separation × 360°) / (2 π × distance).…

A:

Q: 7. As seen from Earth, the two stars known as Krueger 60 have an angular separation of 2.5 arc…

A: Given- λ=550 nm=550×10-9 m

Q: The speed of the material ejected in a supernova can be measured by using the Doppler shift of the…

A:

Q: The James Webb Space Telescope, the replacement for the Hubble Telescope, will have a diameter…

A: The Rayleigh criterion for the minimum minimum angular separation is θ = 1.22λ/D where λ is the…

Q: cmin x 15 arcmin. If each pixel is 24 um x 24 um in size, calculate the plate scale, in arcsec mm-¹,…

A: 8.3 arcsec mm-1 is the plate scale. The UXO telescope has a focal length of 3600 mm. Explanation.…

Q: aturn is 1.4*10 ^12 m from the sun. How long does it take light from the sun to reach Saturn?…

A: Given data:   Distance (d) = 1.4×1012 m 1 min = 60 s Required: The time (t) taken by light to reach…

Q: Astronauts observing from a space station need a telescope with a resolving power of 0.9 arc seconds…

A:

Q: The angular separation in degrees of two objects is (physical separation × 360°) / (2 π × distance).…

A:

Q: Two identical stars are moving in a circular orbit around one another with an orbital separation of…

A: The resolving power or angular resolution of a telescope is its ability to differentiate between two…

Q: Show that the radiation pressure that a plane EM wave exerts on a surface, a perpendicular…

A: To answer: Find expressions for the radiation pressure in (a) for the case of non-perpendicular…

Q: The Chandra X-Ray Observatory must operate in space because X-rays do not penetrate Earth's…

A: Answer ------- X-rays do not penetrate Earth's atmosphere. Because

Q: 17. An incident P-wave is converted into refracted and reflected P- and S-waves at an interface that…

A:

Q: The SST's planned operating temperature is 5.5 K. At what wavelength (in micrometers, μm) does the…

A: A blackbody is used to model objects that radiate energy. A black body is an ideal object capable of…

Q: The South African Large Telescope has an aperture of 10.2 meters and was made to observe visible…

A:

Q: The angular separation in degrees of two objects is (physical separation × 360°) / (2 π × distance).…

A: What angular resolution, in arcsecond, is needed to resolve the Sun-Jupiter system (5.46 AU) as…

Q: Astronauts observing from a space station need a telescope with a resolving power of 0.9 arc seconds…

A:

Q: How many more times can a Keck telescope 10m diameter gather rather than armature telescope .25 m in…

A:

Q: What would the resolution be of the Square Kilometre Array when operating at 21 cm wavelength using…

A:

Q: What if you had to scout for a site to build a new ground-based, optical telescope. What…

A: Introduction: From Galileo to Newton, now telescopes are made larger to study even far away objects.…

Q: What diameter telescope is needed to resolve the separation between an Earth-like planet and its…

A: The angular separation is calculated by using the formula  θ=sr , where s=1 Au=1.496×1011 m is the…

Q: You want to resolve 9.5 m features on Mercury with a 2 m telescope using 550 nm light. How close (in…

A:

Q: Calculate the resolution of the 2.4-m mirror of the Hubble Space Telescope at a wavelength of 0.5 ×…

A: Given Data The diameter of the mirror is:d=2.4 m The wavelength of telescope is: λ1=0.5×10-6 m The…

Q: What would be the equivalent single-mirror diameter of a telescope constructed from two separate 8-m…

A: For a telescope larger the area of the collecting mirror more radiation it can capture. Thus for…

Q: What should the swath width of a sensor be with a sun synchronous orbit with an altitude of 700km if…

A: Given: The altitude of the sensor is H=700 km. The diameter of the sensor is d=20 cm =0.2 m. The…

Q: What would this array's spatial resolution be when it operates at 6,000 MHz?

A: Diameter of radio dish = 6 mfrequency of the dish= 6000 MHz=

Q: What is the approximate diffraction limit in arc second, of a 99 meter diameter radio telescope…

A:

Q: What is the resolving power of an 8-inch telescope (if necessary, you may assume λ=550 nm)? By the…

A: Given: The wavelength of light is 550 nm. The diameter of the aperture of the telescope is 8 in. The…

Q: 100 km s¹. Calculate the ruling density necessary to observe the Hydrogen- 3 emission line at the…

A: The wavelength of the hydrogen-B emission line is 4861 Angstroms. The line would be dispersed across…

Q: How does the light-gathering power of a 300-m diameter radio telescope compare to that of a 50 m…

A: Given: Diameter of the light gathering power 1,D1=300mDiameter of the light gathering power…

Q: Which of the following pairings of telescope diameter and observational wavelength would give the…

A: The resolving power of a telescope is given by, R = 1∆θ= d1.22 λ where ∆θ is the angular resolution…

Q: The James Webb Space Telescope has a primary mirror of diameter D = 6.5 metres. When observing at…

A: Wavelength: λ = 1100 nm = 1.1 × 10-6 m Primary mirror of diameter: D = 6.5 m 1arcsec = 136000,…

Q: A charged-couple device (CCD) detector ismounted at the focus of an f/7 reflecting telescope with a…

A: Calculating the area of the sky imaged on the entire chip by using the area imaged on a single pixel

Q: A remote-sensing payload operates in the infrared part of the spectrum (lambda = 1 micrometer). If…

A:

Q: You have a radio telescope that you are designing to observe the fine details of the ring of…

A: Distance of jupiter from earth = 5.93 x 108 km Gas structure size ~ 1km Wavelength of hydrogen alpha…

Q: A telescope with diameter of 300 m observes in the radio part of the EM spectrum. What is the…

A: Given a telescope with  Diameter D = 300 m Distance between the lens and Jupiter d = 982 million km…

Q: A certain telescope has a 10'x10' field of view that is recorded using a CCD chip having 2048x2048…

A: Angle of sky corresponding to 1 pixel is,

Q: 3) How bright will Pluto appear in reflected or scattered sun-light (total Flux received in W/m² )…

A: The radius of pluto is .The radius of sun is .The albedo of Pluto is 0.60The surface temperature of…

Q: An astronomer wants to design an infrared telescope with an angular resolution of 1.5 arcseconds at…

A: The angular resolution (θ) of a telescope is given by the equation: θ = 1.22 × L / D where L is the…

Q: What would be the equivalent single-mirror diameter of a telescope constructed from two separate…

A: The collecting area of a telescope is the total area of a telescope that is capable of capturing…

Q: Consider a telescope with a primary mirror diameter of 10 inches compared to one which has a primary…

A:

Q: In the dark, your pupil (the aperture of your eye) expands to a diameter of 7 mm. How many times…

A: Required :  The increase in light gathered.

Q: Astronauts observing from a space station need a telescope with a resolving power of 0.6 arc second…

A: A telescope is an instrument which aids in the viewing of remote objects. Resolving power of an…