Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
temperature scale used in astronomy
|
KELVIN
|
|
|
total amount of energy given off
|
LUMINOSITY
|
|
|
brightness based on a comparison at 10 pc
|
ABSOLUTE BRIGHTNESS
|
|
|
brightness based on a comparison as viewed from Earth
|
APPARENT BRIGHTNESS
|
|
|
states that as distance from a luminous body increases, the same amount of light is spread out over more area
|
INVERSE SQUARE LAW
|
|
|
the magnitude of a very bright star
|
LARGE NEGATIVE NUMBER
|
|
|
the magnitude of a very dim star
|
LARGE POSITIVE NUMBER
|
|
|
the object with the greatest apparent brightness
|
SUN
|
|
|
color of a cool star
|
RED
|
|
|
color of a hot star
|
BLUE
|
|
|
device used to detect visible and invisible light
|
CCD
|
|
|
unit of brightness used with a CCD
|
COUNTS
|
|
|
unit of measurement for luminosity
|
WATTS
|
|
|
a square on an image with the same color and brightness throughout
|
PIXEL
|
|
|
filters used to determine brightness or magnitude
|
IR, R, G, B, and UV
|
|
|
image proccessing technique that makes a dark image brighter
|
LOG SCALING
|
|
|
image processing technique that can be use to see different portions of an image
|
COLOR PALETTE
|
