Why IR telescopes require external cooling
Q: The angular separation in degrees of two objects is (physical separation × 360°) / (2 π × distance).…
A:
Q: Bootes is a double star system whose components are separated by 2.9 arcsec. Calculate the linear…
A: Note that here we used the fact that the diameter of new technology telescope(NTT) is 3.58 m which…
Q: The James Webb Telescope is an important innovation in Astronomy and its implementation was first…
A: What is the James Webb Telescope? Include a description of the tool itself and a brief history. What…
Q: For this question, let's assume all types of EM radiation are unobscured by galactic gas & dust. We…
A: The resolving power of any telescope is the ability of a telescope to resolve closer and smaller…
Q: 1. What type of astrophysical object is imaged? 2. Where do you see the higher energy phenomena?…
A: Given :- multi-wavelength images
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: 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: Explain why the radio horizon is at greater distance than the optical horizon.
A: Answer: Radio horizon is basically the locus of points on the earth's surface where rays from a…
Q: The blackbody emission spectrum of object A peaks in the ultraviolet region of the electromagnetic…
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Q: What diameter telescope (in m) would you need to observe Olympus Mons (624 kmin diameter) from Earth…
A: Given, Diameter of Olympus mons,D=624 Km The wavelength λ=550×10-9 m Distance by which mars is…
Q: From a distance of 230 km above the surface of the Moon, what is the angular diameter of an…
A: Solution: Given Values, Linear diameter (d)=0.8 mdistance (D)=230 Km
Q: Interstellar dust is found to be at a temperature of 1000 K. At what wavelength will be the…
A: Interstellar dust is formed from dying stars. During supernova explosions, the outer layer of the…
Q: Which telescope will be able to see fainter images, Keck or HST
A: The Keck Observatory is two telescope based astronomical observatory on the summit of Mauna Kea. It…
Q: The Giant Magellan Telescope is a new telescope being built in Chile with a mirror 25 meters in…
A: Solution: Given: λ = wavelength of light = 500 nm d1 = proposed diameter of mirror of Magellan…
Q: The largest-amplitude solar pressure waves have periods of about 5 minutes and move at about 10…
A: Solar pressure waves are created by disturbances near the surface of the Sun. A wave can be…
Q: Given that the solar spectrum corresponds to a temperature of 5800 K and peaks at a wavelength of…
A: Wien's displacement law is used to calculate the maximum wavelength emitted by a blackbody at a…
Q: object (A and B), state if it is a star
A: This concept is related to blackbody radiations.
Q: 2 kg of air in a closed, piston-cylinder assembly is compressed in an adiabatic and quasiequilibrium…
A: The given parameters for the system are Mass of air, m=2 kgInitial pressure, P1=0.6 bar1 bar=105…
Q: The blackbody emission spectrum of object A peaks in the ul- traviolet region of the electromagnetic…
A: A blackbody is a hypothetical body that is capable of absorbing all the radiation that falls on it.…
Q: One of the primary advantages of CCDs over photographic plates is the former's high efficiency in…
A: Charged Coupled Devices or CCDs are optical sensors used in telescopes. They are very sensitive…
Q: What is the round-trip travel time of light from Earth to Pluto (at a distance of 40 AU)?
A: The time taken by an object to travel a given distance is given by, t=dv Here t is the time taken,…
Q: A powerful telescope can observe an object down to about the 30th magnitude in the B-band. To what…
A: Given:- A powerful telescope can observe an object down to about the 30th magnitude in the B-band.…
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: Le Trifid Nebula.
A: SOL.The reason is the difference in wavelengths captured by each type of imaging.Explanation:The two…
Q: 20. The distance between two asteroids is 1500 km, how long does it take a light signal to travel…
A: Answer to the given problem is
Q: Let’s say that we have a radio dish that is 22 meters in diameter. It is designed to detect radio…
A: The diameter of the dish is 22 m. The wavelength of the radio wave is 0.00006 cm.
Q: 5. Compare the image formed by the single circle hole versus the matrix of circle holes. Include…
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Q: When astronomers discuss the apertures of their telescopes, they say bigger is better. Explain why.…
A: The aperture of a telescope is crucial because it determines the brightness of the planetary or…
Q: Consider hot Jupiter with a temperature of 3138 K orbiting the star Vega at what wavelength in nm…
A: given- Temperature of jupiter =3138 K
Q: In the Sub giant phase which of the following is true? O The star is burning He in the core O The…
A: Given : In the Sub giant phase The star is burning He in the core The star is burning He in a shell…
Q: An astronomer measures the light from two objects, A and B, and she finds that they are both black…
A: Given: The wavelength of object A is 2000 nm. The wavelength of object B is 400 nm.
Q: Suppose astronomers built a 90-meter telescope. How much greater would it's light collecting area be…
A:
Q: At what frequencies does IRNSS satellites transmit their signals?
A: Answer - IRNSS satellites transmit their signal in S-band frequency ( 2-4GHz) and L5 band (1164 -…
Q: Radio telescopes are large in part to improve their angular res- olution, which is poor because of…
A: The resolving power of a telescope is defined as the smallest single between two close objects that…
Q: A geostationary (Clarke-band) satellite at Albany's longitude will a always be visible from…
A: Geostationary satellite has a time period of rotation equal to 24 hours if the circular orbit is on…
Q: Suppose you send a probe to land on Mercury, and the probe transmits radio signals to earth at a…
A:
Q: Can you think of some reasons why there are no very large astronomical telescopes in orbit around…
A: Please find the solution below. I hope it helps. I hope it will be helpful for you. Solution:…
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: A dust cloud with constant opacity,
A: Given: x'=1 pc
Q: What are the arguments for building the TMT telescope?
A: TMT telescope is an abbreviation of The Thirty Meter Telescope. This telescope is very large…
Q: The Andromeda galaxy is slowly moving towards the Milky Way. What will be the shift of The averag…
A: According to the doppler shifting if we move towards any source object apparent frequency always…
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: Given that the solar spectrum corresponds to a temperature of 5800 K and peaks at a wavelength of…
A: Given: The temperature of solar spectrum is 5800 K. The solar spectrum peaks at…
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: The angular separation in degrees of two objects is (physical separation × 360°) / (2 π × distance).…
A: The distance from Castor to our solar system is, r=8.6 light years×9.46×1015 m1 light year=8.13×1016…
Q: Choose the appropriate wavelengths of light in nanometers. Note that answers may used multiple times…
A: 1) Violet wavelength 380 nm is the shortest wavelength of light that our eyes can see. It is the…
Q: Saturn has 7 main rings with them between
A: Saturn has so many rings but out of these 7 are major rings. There is nothing in between these…
Q: Use the small-angle formula to find the linear diameter of a radio source with an angular diameter…
A: Given :- angular diameter of radio source = 0.0024 arc seconds. distance = 2.30 Mpc .
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