Chapter 5 Terms Flashcards Preview

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Flashcards in Chapter 5 Terms Deck (12):
1

Adaptive Optics

Used to compensaye for atmospheric distortions, which gives us a sharper image

2

CCD

Electronic devide that records the intensity of light falling on it

3

Diffraction

Bending of light, which makes it difficult to distinguish fine details in images

4

Dispersion

The spreading of light or other electromagnetic radiation into a spectrum

5

Interferometer

Device consisting of two or more telescopes connected together to work as a single instruments and are used to obtain a high resolving power

6

Light-Gathering Power

Ability of a telescope to collect light

7

Reflector

A telescope that uses a mirror to collect and focus light

8

Refraction

The bending of light when it passes through one substance and enters another

9

Refractor

A telescope that uses a lens to collect and focus light

10

Resolving Power

The ability of a telescope to discern fine detail and the larger the diameter, the greater resolving power

11

Scintillation

Twinkling of stars caused by the atmosphere

12

Seeing

Measure of the steadiness of the atmosphere during astronomical observation