chapter 31 flash cards

Question 1

many of the names given to these groups of stars by ancient cultures remain today are called

Answer 1

constellations

Question 2

collects ans amplifies radio waves

Answer 2

radio telescope

Question 3

the distance light travels in a year

Answer 3

light year

Question 4

uses a prism of diffraction grading to seprate lights into

into its componet wavelengths

Answer 4

spectroscope

Question 5

stars form from a large cloud of gas iced and dust called a

Answer 5

nebula

Question 6

stars includethe board band of stars from hot brightt stars in upper left corner of the diagram

Answer 6

main sequence

Question 7

the stars core contracts the tempature increases and the star envolves into a

Answer 7

giant star

Question 8

forms as the core of a giantic star no longer supports fusion and the star outer layer escapes

Answer 8

white dwarf

Question 9

giganatic explosion

Answer 9

supernova

Question 10

when the star explodes it leaves behind a ball of neutrons

Answer 10

nuetron star

Question 11

is an area in space that is so dense that nothing escapes its pull of gravity

Answer 11

black hole

Question 12

is the layer of the sun that emits light into space

Answer 12

photosphere

Question 13

are dark cool areas in the photosphere

Answer 13

sunspots

Question 14

how did constellations get there names

Answer 14

charcters in stories and tools

Question 15

what is the constellation called that was named after a hunter

Answer 15

oryan belt

Question 16

what is canis minor meaning

Answer 16

small dog

Question 17

what is canis major meaning

Answer 17

big dog

Question 18

how many basic optical telescope

Answer 18

two

Question 19

what does a refracting telescope use

Answer 19

convex lenses

Question 20

what does a reflecting telescope use

Answer 20

mirrors

Question 21

why are space telescopes better

Answer 21

because they dont have earths clouds

Question 22

what are the two names of the space telescope

Answer 22

x ray and spitzer space

Question 23

what are the three things that a spectroscope determine

Answer 23

surface tempature, close or far ,and stars chemical compostion.

Question 24

if a star is farther away from earth what color would it be and what would the wave length look like

Answer 24

red and its length is spread out more and more frequebt

Question 25

if it was closer what would its color be and wave length look like

Answer 25

blue and more frequent