Astronomy Chapters 5-6

Question 1

A ( ) is when one celestial body passes closely by another.

Answer 1

Conjunction

Question 2

A ( ) occurs when three or more objects come close together in the sky.

Answer 2

Massing

Question 3

A ( ) ( ) occurs when a planet passes by another celestial object three times in a row.

Answer 3

Triple conjunction

Question 4

An ( ) is when one celestial object passes directly in front of another, blocking the background object from sight.

Answer 4

occultation

Question 5

Only ( ) eclipses are true eclipses, where we observe the shadow of one body falling on another.

Answer 5

Lunar

Question 6

Total ( ) eclipses are far more common than total (
) eclipses.

Answer 6

Lunar, Solar

Question 7

The ( ) method is a way to safely view the sun during a solar eclipse.

Answer 7

Projection

Question 8

A meteor, sometimes called a “falling star,” is caused by a small bit of matter falling from space and burning up as it is ( ) by atmospheric resistance.

Answer 8

Heated

Question 9

The term ( ) refers to the bright streak in the sky.

Answer 9

Meteor

Question 10

The rock causing the streak is called the what?

Answer 10

Meteoroid

Question 11

The rock that hits the earth’s surface is called a what?

Answer 11

Meteorite

Question 12

During a meteor shower they will appear to move away from the same point in space. This point is called the what?

Answer 12

Radiant

Question 13

A particularly bright meteor is called a what?

Answer 13

Fireball

Question 14

The visible trail that glows behind a bright meteor is called a what?

Answer 14

Train

Question 15

A ( ) ( ) is a rare occurrence where the sky appears to be raining meteors.

Answer 15

Meteor Storm

Question 16

What is the meaning of the word Corona?

Answer 16

Crown

Question 17

Both ( ) ( ) and ( ) are caused by sunlight reflecting off the dust in the solar system.

Answer 17

Zodiacal light and gegenschein

Question 18

( ) orbit the earth in about 90 minutes.

Answer 18

Satellites

Question 19

What is the worst time to view satellites?

Answer 19

Winter

Question 20

The iridium ( ) is the temporary brightening of a satellite associated with the company Iridium Communications Inc.

Answer 20

Flare

Question 21

One of the telescope’s most important functions is to make faint things ( ) enough to be seen.

Answer 21

Bright

Question 22

For the telescope, ( ) power is the ability to “separate” things that are close together.

Answer 22

Resolving

Question 23

The overall ability of a telescope is determined by the diameter of the primary lens or primary mirror; the “( )”

Answer 23

Aperture

Question 24

The two kinds of telescopes are what?

Answer 24

Refractors and reflectors

Question 25

( ) use curved mirrors to reflect and focus incoming light.

Answer 25

Reflectors

Question 26

( ) use lenses only, no mirrors.

Answer 26

Refractors

Question 27

”( ) ( )” is when bright objects you view through a refractor are surrounded by a little purple halo.

Answer 27

Chromatic aberration

Question 28

Reflectors use a curved ( ) instead of a primary lens to bring light to a focus.

Answer 28

Mirror

Question 29

Newtonians are reflecting telescopes named after who?

Answer 29

Isaac Newton

Question 30

The ( ) is generally considered to be the best all-around general-use telescope for amateur astronomers.

Answer 30

Schmidt-Cassegrain

Question 31

( ) is when dew collects on the corrector plate of a telescope.

Answer 31

Dewing

Question 32

A ( ) ( ) can prevent dew from collecting as you observe the night sky.

Answer 32

Dew shield

Question 33

Binoculars or a small telescope will allow you to observe the moon, bright stars, open star clusters, and ( ) Galaxy, and some bright comets.

Answer 33

Andromeda

Question 34

A ( ) allows the telescope to pivot in at least two directions.

Answer 34

Mount

Question 35

A ( - ) is a motor that slowly rotates the telescope in the opposite direction that Earth rotates.

Answer 35

Clock-drive

Question 36

Telescope mounts come in two varieties: ( ) mount and ( ) (alt-azimuth) mounts.

Answer 36

Equatorial and horizon

Question 37

A ( ) telescope is the name of the second small refractor telescope often attached to the larger one.

Answer 37

Spotting

Question 38

A ( ) adds a laser-produced artificial spot, concentric circles, or crosshairs that indicate exactly where the telescope is pointed.

Answer 38

telrad

Question 39

If you want to do astrophotography, get a ( - ) system.

Answer 39

Computer-controlled

Question 40

The most important tip for setting up a telescope for the first time is to set it up ( )

Answer 40

inside

Question 41

You can begin the alignment of the telescope as soon as it is dark enough to see what?

Answer 41

The North Star

Question 42

If a telescope is computer controlled, turn it on, and begin the ( - ) program

Answer 42

Auto- alignment

Question 43

Spotter scopes do what three things to an image?

Answer 43

Invert, magnify, and brighten