Vocab section 1 and 2

Question 1

constellations

Answer 1

groups pf stars named by ancient cultures

Question 2

radio telescope

Answer 2

collects and amplifies radio waves

Question 3

light year

Answer 3

is the distance light travels in one year (9.5 km)

Question 4

spectroscope

Answer 4

uses a prism or diffraction getting separate light into its component wavelengths

Question 5

nebula

Answer 5

stars form from a large cloud of gas ice and dust

Question 6

main sequence

Answer 6

stars include the broadband of stars from the hot bright stars in the upper left corner of the diagram to the cool

Question 7

giant star

Answer 7

as equilibrium ends the stars core contracts, the star evolves

Question 8

white dwarf

Answer 8

forms as the core of a giant star no longer supports fusion and the stars outer layers escape into space

Question 9

black hole

Answer 9

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

Question 10

photosphere

Answer 10

the layer of the sun that emits light into space

Question 11

sunspots

Answer 11

dark cold areas in the photosphere where the suns magnetic field has weakened

Question 12

super nova

Answer 12

a gigantic explosion in which the temperature within is 10k billion k and the atomic nuclei split

Question 13

neutron star

Answer 13

when a star explodes it leaves behind a ball of neutrons

Question 14

How do constellations get their names

Answer 14

characters from stories
animals
tools

Question 15

What is the name of the constellation of the great hunter

Answer 15

orion’s belt

Question 16

What are names of the constellations names of orion’s hunting dogs

Answer 16

canis major

canis minor

Question 17

What does canis major and minor mean

Answer 17

big dog and little dog

Question 18

how many basic optical telescopes are there

Answer 18

2

Question 19

what does a refracting telescope use

Answer 19

convex lense

Question 20

what does a reflecting use

Answer 20

mirrors

Question 21

why are space telescopes more effective than ground telescopes

Answer 21

cause there is no clouds or pollution

Question 22

what can a spectroscope determine about a star

Answer 22

chemical composition
surface temperature
weather the star is moving closer or farther from earth

Question 23

stars farther away from earth appear what color and what are its wavelengths

Answer 23

red and more spread out

Question 24

Stars close to earth appear to be what color and what are its wavelengths

Answer 24

blue and and closer together

Question 25

How does a star form

Answer 25

nebula

Question 26

What does the h and R stand for in H-R diagram

Answer 26

Hertzsprung and russell

Question 27

what is another name for our sun

Answer 27

giant star

Question 28

what are the interior layers of the sun

Answer 28

core, radiation zone, convection zone

Question 29

what is the name of the surface of the sun

Answer 29

photosphere

Question 30

what is the atmosphere of the sun composed of

Answer 30

chromosphere and corona

Question 31

are sun spots cooler than the surrounding areas

Answer 31

yes

Question 32

are sun spots permanent

Answer 32

no