Test 7 (4.1-4.4)

Question 1

The three basic types of galaxy shapes

Answer 1

spiral, elliptical, and irregular

Question 2

The study of outer space and all that is contained

Answer 2

astronomy

Question 3

A high speed stream of particles that travels outward from holes in the sun’s corona and beats upon the earth’s upper atmosphere

Answer 3

solar wind

Question 4

Dark patches on the sun’s photosphere

Answer 4

sunspots

Question 5

Part of the sun visible only during a solar eclipse.

Answer 5

chromosphere or coron

Question 6

Large clouds of gas and dust floating around in space

Answer 6

nebulae

Question 7

stars that outline a picture in the sky

Answer 7

constellation

Question 8

an area that contains no air

Answer 8

vacuum

Question 9

familiar shape within the constellation Ursa Major which contains pointer stars

Answer 9

Big Dipper

Question 10

the force that resists motion

Answer 10

friction

Question 11

the hottest region of the sun

Answer 11

core

Question 12

spiral arms attached to a straight “bar” that runs through a galaxy

Answer 12

barred spirals

Question 13

streams of gas erupting from the chromosphere and returning in loop like fashion

Answer 13

solar prominence

Question 14

The brightest star in the constellation Perseus

Answer 14

Algol

Question 15

The brightest star in the night sky

Answer 15

Sirius

Question 16

The brightest star in the constellation Leo

Answer 16

Regulus

Question 17

The pole star is know as what?

Answer 17

Polaris

Question 18

The closest star to the earth

Answer 18

the sun

Question 19

The actual explosion of a star

Answer 19

supernova

Question 20

The imaginary line that stretches from pole to pole

Answer 20

axis of rotation

Question 21

A pair of stars that travel together and rotate around each other as the mood does the earth

Answer 21

binary star

Question 22

Star system containing millions to billions of stars

Answer 22

galaxy

Question 23

The hottest region of the sun’s atmosphere

Answer 23

corona

Question 24

The cluster with about 40 galaxies in which we find Earth

Answer 24

Local Group

Question 25

The sun is located how far from the earth

Answer 25

93 million miles

Question 26

The part of the sun's atmosphere closest to its surface

Answer 26

chromosphere

Question 27

Be able to identify the following constellations

Answer 27

Southern Cross, Cygnus, Draco, Andromeda, Cassiopeia

Question 28

Be able to describe what space is like. Include at least three things that make space different from Earth and its atmosphere. Complete sentences are required

Answer 28

no air (vacuum), no air friction, mostly black, unusual activities (weightlessness), extremes of temperature

Question 29

What is the difference between apparent magnitude and absolute magnitude?

Answer 29

Apparent magnitude is the measurement used to describe the brightness of a star as it appears from Earth. The actual brightness of a star is called its absolute magnitude.