**Contents**show

A telescope’s diameter tells us its light-collecting area (like wider buckets collect more rain). … So a 4-meter telescope has 16x the light collecting area of a 1-meter telescope.

## How much greater is the light collecting area of a 4 m telescope than that of a 1m telescope?

Therefore, with 16 times the area, a 4-m telescope collects 16 times the light of a 1-m telescope.

## How much more light will a 4 meter telescope collect than a 2 meter telescope?

So, given two telescopes of different apertures (say one that is 1 meter across, and the second that is 4 meters across), the light gathering power of the 4 meter telescope is (π)(22) / (π)(0.52) = 16 times better.

## How does the collecting area of a 10 meter telescope compare with that of 2 meter telescope?

2. Angular resolution: Telescopes that are larger are capable of taking images with greater detail. How does the collecting area of a 10-meter telescope compare with that of a 2-meter telescope? a) It’s 5 times greater.

## How much greater is the light collecting area of a 3 meter telescope than a 1 meter telescope?

How much better is the resolution? The light-collecting area would be 4x greater on a 6-meter (which has 36) telescope than a 3-meter telescope (which has 9).

## What is the light collecting area of a telescope?

The aperture of a telescope is the diameter of the light collecting region, assuming that the light collecting region has a circular geometry . For an optical instrument, the aperture is the diameter of the objective lens (refracting telescope) or the primary mirror (reflecting telescope).

## What is the light collecting area of a 3m diameter telescope?

The amount of light that a telescope can collect is proportional to the cross-sectional area. Now the area of a circle is A=PiR^2=Pi(D/2)^2 in terms of the diameter. Since the area is proportional to the square of the diameter, a 3m diameter telescope can collect 3^2=9 times as much light as a 1m diameter telescope.

## How much more light will a 10 meter telescope collect than a 5 meter telescope?

Answer: The 10 meter telescope has 4 times as much light collecting area as the 5 meter telescope.

## How much more light does an 8 meter telescope gather than a 2 meter telescope quizlet?

The 8-meter telescope has 16 times the light-collecting area of the 2-meter telescope.

## How do you calculate the light-gathering power of a telescope?

Comparisons of different-sized apertures for their light-gathering power are calculated by the ratio of their diameters squared; for example, a 25-cm (10-inch) objective will collect four times the light of a 12.5-cm (5-inch) objective ([25 × 25] ÷ [12.5 × 12.5] = 4).

## How does the light collecting area of a telescope with a 10 meter diameter mirror compare?

How much better is a 10-meter diameter mirror than a 5-meter diameter mirror, in a space telescope for visible/optical light? 4 times more collecting area, 2 times better angular resolution.

## How does the light collecting area of an 8 meter?

How does the light-collecting area of an 8-meter telescope compare to that of a 2-meter telescope? The 8-meter telescope has 16 times the light-collecting area of the 2-meter telescope. The Chandra X-ray Observatory must operate in space because: X rays do not penetrate Earth’s atmosphere.

## How will the light collecting area of the Thirty meter telescope compare to one of the Keck telescopes?

The light collecting capability of the TMT will be 10 times that of the Keck Telescope, and more than 144 times that of the Hubble Space Telescope.

## How does the light collecting area of an 8 Metre telescope compared to that of 2 Metre telescope?

How does the light-collecting area of an 8-meter telescope compare to that of a 2-meter telescope? The 8-meter telescope has 8 times the light-collecting area of the 2-meter telescope.

## What is a Cassegrain telescope used for?

Cassegrain reflector, in astronomical telescopy, an arrangement of mirrors to focus incoming light at a point close to the main light-gathering mirror. The design was proposed in 1672 by French priest Laurent Cassegrain.

## How much more light-gathering power does the 1 telescope have compared to the human pupil?

The long exposure time of the telescope’s camera enables it to gather much more light than the eye. This enables telescopes to detect much fainter objects than the unaided eye. Combining the results from experiments 1 and 2: The telescope can collect 600 x 900 = 540,000 times more light than your eye!