Telescopes-give apparent aperature equal to their separation

Assignment Help Physics
Reference no: EM13542533

Telescopes can be networked together to give an apparent aperature equal to their separation. Telescopes on either side of Earth can be combined to give an aperature of 8000 miles, greatly improving resolving power. What is this technique called?

- light-gathering power
-seeing
- spectral analysis
- interferometry

Reference no: EM13542533

Questions Cloud

Consider the two blocks plus the earth as the system : As shown in the figure below, a light string that does not stretch changes from horizontal to vertical as it passes over the edge of a table. The string connects m1, a 3.60 kg block, originally at rest on the horizontal table at a height 1.30 m ab..
What are the main types of energy at surfaace of reservoir : Assume that the reservoir is 200m deep, held back by the dam wall . A small horizontal pipe at the base of the dam transfers water to the generator hall, where it gushes out at high speed and is used to turn the turbines that generate electricity. Wh..
What is the velocity of a beam of electrons : What is the velocity of a beam of electrons that go undeflected when passing through perpendicular electric and magnetic fields of magnitude 8.8 x 10^3 V/m and 3.5 x 10^-3 T respectively
Find the acceleration of the earth toward the sun : The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun.
Telescopes-give apparent aperature equal to their separation : Telescopes can be networked together to give an apparent aperature equal to their separation. Telescopes on either side of Earth can be combined to give an aperature of 8000 miles, greatly improving resolving power. What is this technique called?
Astronomers are able to estimate the temperature of a gas : Explain the physical processes by which astronomers are able to estimate the temperature of a gas by observing which spectral lines are present in its spectrum and measuring the relative strength of the lines. This process is known as Balmer thermome..
Air resistance is negligible during the projectiles flight : A projectile is launched from the ground and sails across an open field. At launch, its total mechanical energy is 100 J. At its highest point, is its potential energy greater than, less than, or equal to 100 J? Explain, assuming that air resistance ..
Find the acceleration of the hand : The upper end of the string wrapped around the cylinder below is held by a hand that is accelerated upward so that the center of mass of the cylinder does not move as the cylinder spins up. (c) Find the acceleration of the hand.
What is smallest capacitor needed in computer power supply : What is the smallest capacitor needed in a computer power supply in order to produce at least 3.55 V for 0.37 seconds after the power goes off? Assume that the resistance of all the components of the computer motherboard is 6 Ohms and that the capaci..

Reviews

Write a Review

Physics Questions & Answers

  Calculate the magnetic moment of the loop

A current of 18.0 mA is maintained in a single circular loop of 2.20 m circumference. A magnetic field of 0.690 T is directed parallel to the plane of the loop. Calculate the magnetic moment of the loop.

  Determine the resistance capacitive and inductive reactance

An ac series circuit has an impedance of 196 ? , and the phase angle between the current and the voltage of the generator is ? = -72°. The circuit contains a resistor and either a capacitor or an inductor

  Find the angle through which the drill rotates

A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.0 multiply.gif 104 rev/min. Determine the angle (in radians) through which the drill rotates during this period

  To what maximum height will the ball rise

A ball is shot from the ground into the air. At a height of 8.6 m, the velocity is observed to be v = (8.1)i + (5.3)j in meters per second (i horizontal, j upward). To what maximum height will the ball rise

  A certain cavity has a temperature

A certain cavity has a temperature of 1150 K. (a) At what wavelength will the intensity of the radiation inside the cavity have its maximum value? [Do NOT need the answer to part (a); it is 2.52 mu m] (b) As a fraction of the maximum intensity, what ..

  Calculate the self inductance of a solenoid

Calculate the self inductance of a solenoid that has N turns, a length L, a radius R, and is carrying a time varying current I(t)

  Find the volume of the atom

The nucleus of the hydrogen atom has a radius of about 1.1 x 10-15 m. The electron is at a distance of about 5.2 x 10-11 m from the nucleus. find the volume of the atom

  What was eratosthenes percent error

Eratosthenes measured the circumference of the Earth by noting that the Sun is at an angle of 7°12' = 7.2° ("one-fiftieth of a circle") south of the vertical in Alexandria at the same time of day, What was Eratosthenes percent error

  What is the final speed of the black ball

A white billiard ball with mass mw = 1.34 kg is moving directly to the right with a speed of v = 3.02 m/s, What is the final speed of the white ball

  What stopping potential would be observed

Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. What stopping potential would be observed when using light from a red lamp

  Find the horizontal distance from the building

A ball is launched from the top edge of a building 32.8 m high at a speed of 23.7 m/s at an angle of 15.0 degrees above the horizontal. Find the horizontal distance from the building at which the ball lands

  Determine what is the final temperature of the engine

An internal combustion engine with an initial temperature of 36.2 is started. The coombustion reactions add 8.66 x 10*6 J of energy as heat to the engine after several cycles. what is the final temperature of the engine

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd