Modern Observation Methods

Question 1

Louise Mande Daguerre

1840

Answer 1

took the first picture of the moon using a Daguerreotype

Question 2

Photography Explained

Photography

Photo = Light, Graphy = Represent

Answer 2

The use of light as a medium to represent or express something

Question 3

CCD

Answer 3

An integrated circuit made of Photodiodes

a tiny microchip onto which the light that the telescope collects is foc

Question 4

Photodiode

Answer 4

Converts light into an electric signal that can be translated by a computer.

Question 5

pixels

Answer 5

The independent slots that form a picture

Question 6

signal

Answer 6

The counts of electrons that are sent to every pixel

Question 7

exposure time

Answer 7

Amount of time to which the CCD is capturing light.

Question 8

What is SNR

Signal to Noise ratio

Answer 8

refers to the proportion of the Signal compared to the Noise.

Question 9

the Signal is not very distinguishable from the noise

what does this mean

Answer 9

low SNR

Question 10

that the strength of the signal is enough to be detected

What does this mean

Answer 10

high SNR