Chapter 29 Vocabulary

Question 1

Innermost layer of the sun’s atmosphere that is also it’s visible surface.

Answer 1

Photosphere

Question 2

Of the atmosphere above the photosphere and below the corona.

Answer 2

Chromosphere

Question 3

Outermost layer of the sun’s atmosphere

Answer 3

Corona

Question 4

Wind charged particles (ions) that flows throughout the solar system.

Answer 4

Solar wind

Question 5

Dark spots on the surface of the photosphere.

Answer 5

Sunspots

Question 6

Violent eruption of radiation and particles from the sun’s surface that is associated with sunspots

Answer 6

Solar flare

Question 7

Arc of gas ejected from the chromosphere.

Answer 7

Prominence

Question 8

The combination of lightweight atomic nuclei into heavier nuclei.

Answer 8

Fusion

Question 9

Process in which heavy atomic nuclei split into smaller, lighter atomic nuclei.

Answer 9

Fission

Question 10

A device that separates light into different colors or wavelengths.

Answer 10

Spectrometer

Question 11

Group of stars that form a pattern in the sky.

Answer 11

Constellation

Question 12

Describing any constellation that is always visible in the night sky.

Answer 12

Circumpolar Constellation

Question 13

Loosely shaped group of hundreds of stars.

Answer 13

Open Cluster

Question 14

Spherically shaped group of hundreds of stars.

Answer 14

Globular Clusters

Question 15

One of two stars that are bound together by gravity and orbit a common center of mass.

Answer 15

Binary Stars

Question 16

An observed change in the frequency of a wave when the source or observer is moving.

Answer 16

Doppler Effect

Question 17

The colors in the spectrum of a star moving toward the earth are shifted toward blue.

Answer 17

Blue Shift

Question 18

The distance light travels in one year.

Answer 18

Light-Year

Question 19

A unit of distance that is equal to 3.26 light years.

Answer 19

Parsec

Question 20

The location on the H-R diagram where most stars lie; it has a diagonal pattern from the lower right to the upper left.

Answer 20

Main Sequence Star