Chapter 31.1

Question 1

a gigantic explosion in which the temperature within the collapsing star is 10 billion K and the atomic nuclei in the core split into neutrons and protons

Answer 1

supernova

Question 2

the ball of neutrons left behind after the explosion of a star

Answer 2

neutron star

Question 3

a group of stars given a name from ancient culture

Answer 3

constellation

Question 4

collects and amplifies radio waves

Answer 4

radio telescope

Question 5

the distance light travels in one year

Answer 5

light year

Question 6

uses a prism or diffraction grating separate light into its component wavelength

Answer 6

spectrosphere

Question 7

the evolution of a star caused by the core contracting and the temperature increasing

Answer 7

giant star

Question 8

forms as the core of a giant star no longer supports fusion and the star’s outer layer escaping into space

Answer 8

white dwarf

Question 9

an area so dense that nothing can escape the pull of gravity

Answer 9

black hole

Question 10

the layer of the sun that emits light into space

Answer 10

photosphere

Question 11

dark cool areas in the photosphere where the sun’s magnetic field had weakend

Answer 11

sunspots

Question 12

a large cloud of dust, ice, and gas

Answer 12

nebula

Question 13

star classification on the H-R diagram

Answer 13

main sequence

Question 14

What are the three ways that constellations can get their names?

Answer 14

characters in stories, animals, & tools

Question 15

What is the constellations get their names?

Answer 15

Orion’s Belt

Question 16

What are the names of Orion’s dogs?

Answer 16

Canis Major and Canis Minor

Question 17

What does Canis Major mean?

Answer 17

Big dog

Question 18

What does Canis Minor mean?

Answer 18

Little dog

Question 19

How many basic optical telescopes are there?

Answer 19

2

Question 20

What does a refracting telescope use?

Answer 20

Convex lenses

Question 21

What does reflecting telescope use?

Answer 21

Concave mirror

Question 22

What are the two types of the optical telescopes?

Answer 22

Reflecting and Refracting

Question 23

Why are space telescopes more effective than ground-based telescopes?

Answer 23

Images are not distorted by clouds and pollution

Question 24

What are the names of the two space telescopes?

Answer 24

Chandra X-Ray Observatory and Spitzer Space Telescope

Question 25

How fast does light travel in space?

Answer 25

300,000 km/s

Question 26

What can a spectroscope determine about a star?

Answer 26

Composition, surface temperature, and whether or not its moving away or towards Earth

Question 27

Which wavelengths are red?

Answer 27

The ones closer to the earth (close and frequent)

Question 28

Which wavelengths are blue?

Answer 28

The ones further away form the earth (further and less frequent)

Question 29

Where do stars form from?

Answer 29

A Nebula

Question 30

Where does (H-R) stand for?

Answer 30

Hertzsprung-Russell

Question 31

What is the Sun know as?

Answer 31

A giant star

Question 32

What are the interior layers of the Sun?

Answer 32

The core, the radiation zone, and the convention zone

Question 33

Are sunspots cooler than surrounding areas?

Answer 33

Yes

Question 34

Are sunspots permanent?

Answer 34

No

Question 35

What is the atmosphere of the Sun composed of?

Answer 35

The Chromosome and the Corona