Chapter 31.1 & 31.2

Question 1

Constellations

Answer 1

Groups of stars that form a picture

Question 2

Radio Telescope

Answer 2

Collects and amplifies radio waves

Question 3

Light-year

Answer 3

The distance light travels in one year

Question 4

Spectroscope

Answer 4

Uses a prism or diffraction grating to separate light into it’s component wavelengths

Question 5

Nebula

Answer 5

Large cloud of gas, ice and dust

Question 6

Main Sequence Stars

Answer 6

Includes the broad band of stars from the hot, bright stars, to the dim, cool stars

Question 7

Giant Star

Answer 7

Created when a stars core contracts, the temp increases

Question 8

White Dwarf

Answer 8

Forms as the core of a giant star no longer supports fusion and the star’s outer layers escape into space, leaving a hot and dense core

Question 9

Supernova

Answer 9

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

Question 10

Neutron

Answer 10

The ball that is left behind after a supernova (full of neutrons

Question 11

Black Hole

Answer 11

An area in space that is so dense that nothing can escape it’s pull of gravity

Question 12

Photosphere

Answer 12

The layer of the Sun that emits light into space

Question 13

Sunspots

Answer 13

Dark, cool areas in the photosphere where the Sun’s magnetic field has weakened

Question 14

How do people name constellations?

Answer 14

Characters in stories, animals, tools

Question 15

What constellation represents the great hunter?

Answer 15

Orion

Question 16

What are the two hunting dog constellations?

Answer 16

Canis Major, 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 optical telescopes are there?

Answer 19

Two

Question 20

What kind of lens does a refracting telescope use?

Answer 20

Convex lenses

Question 21

What kind of lens does a reflecting telescope use?

Answer 21

A mirror, and concave lens

Question 22

Why are space telescopes better than ground based telescopes?

Answer 22

Not many distortions, obstacles, disruptions in images

Question 23

What are the two names of the telescopes?

Answer 23

Chandra X-Ray, Spritzer Space Telescope

Question 24

Stars that are closer to Earth appear what color, as well as what are it’s wavelengths like?

Answer 24

Blue, close together

Question 25

Stars that are father away from Earth appear what color, as well as what are it’s wavelengths like?

Answer 25

Red, spread apart

Question 26

What are the three things that a spectroscope can determine about a star?

Answer 26

Chemical composition, surface temp, and whether it’s moving closer to or father away from Earth.

Question 27

What forms stars?

Answer 27

A nebula

Question 28

What forms in the center of the cloud of a Nebula?

Answer 28

Protostar

Question 29

What do the H and R stand for in the H-R Diagram?

Answer 29

Hertzsprung and Russell

Question 30

What is our Sun also called?

Answer 30

Giant Star

Question 31

What are the different layers of the sun?

Answer 31

The core, the radiation zone, and the convection zone

Question 32

What is the atmosphere of the sun composed of?

Answer 32

Chromosphere and corona

Question 33

Are sunspots hotter or cooler than the surrounding areas?

Answer 33

Cooler

Question 34

Are sunspots permanent features of the Sun?

Answer 34

No