Astromy

Question 0

Define a light-year

Answer 0

The distance light travels in a year

Question 1

What is the closest star to earth

Answer 1

The sun

Question 2

Define nebula

Answer 2

Cloud of dust and gas

Question 3

What star ends in supernova

Answer 3

High mass stars like super giants

Question 4

What star experiences regular changes in brightness over time is called a

Answer 4

Variable

Question 5

The element of iron came from

Answer 5

Fusion in massive stars

Question 6

What is the next stage in a star’s life after the main-sequence phase

Answer 6

Red giant

Question 7

The primary evidence for the expanding universe concept is

Answer 7

The red shift of light from distant galaxies, which increases with distance of the galaxy from earth

Question 8

The Milky Way galaxy is best described as

Answer 8

Spiral

Question 9

Auroras are an effect caused by

Answer 9

Magnetic storms

Question 10

The inner planet may have lost those original atmospheres of lighter gases because of an intense solar

Answer 10

Wind

Question 11

Steams of electrons and protons that shoot out from the sun’s corona make up the solar____

Answer 11

Wind

Question 12

Streams of electrons an protons that shoot out from the sun’s corona make up the solar ____

Answer 12

Wind

Question 13

Compared to the surface temperature and luminosity of massive stars in the main sequence, smaller stars in the main sequence are

Answer 13

Cooler and less luminous

Question 14

Which of the following supports the Big Bang theory

Answer 14

Cosmic background radiation

Question 15

T/F. The sun is the star nearest to the earth

Answer 15

T

Question 16

The apparent magnitude of a star is a measure of its

Answer 16

Brightness as it appears form the earth

Question 17

T.F A light year is the distance that light travels in one year

Answer 17

T

Question 18

What stage of stellar evolution is the sun experiencing at this time

Answer 18

Main sequence

Question 19

T.F a cloud of dust and gas in which a star forms is called a nebula

Answer 19

T

Question 20

T.F as white dwarfs cool they often explode as supernovas

Answer 20

F

Question 21

T.F solar flares usually occur from sunspots

Answer 21

F

Question 22

T.F Prominences are the most violent of all solar disturbances

Answer 22

F

Question 23

T.F the surface of Venus is probably covered with oceans

Answer 23

F

Question 24

T.F mercury is a terrestrial planet

Answer 24

T

Question 25

T.F astronomers believe that the Great Red Spot on Jupiter is a giant atmospherics storm

Answer 25

T

Question 26

T.F Venus is one of the Jovian planets

Answer 26

F

Question 27

T.F Neptune is largely composed of methane

Answer 27

T

Question 28

T.F the process of splitting the nucleus of a large atom into two or more smaller nuclei is called nuclear fission

Answer 28

T

Question 29

Which of the following stages is the earliest in the development if a star

Answer 29

Dark nebula

Question 30

The process in which smaller atomic nuclei combine int larger atomic nuclei is know as

Answer 30

Nuclear fusion

Question 31

Which stage in stellar evolution is the longest

Answer 31

Main sequence

Question 32

The sin produces it's high surface temperature through which type of energy

Answer 32

Nuclear fusion

Question 33

The device for separating light into different splits is known as a

Answer 33

Spectroscope

Question 34

An apparent shift in wavelength of light it yes by a light source moving toward or away from and observer is know as

Answer 34

Parallax

Question 35

A star moving toward earth would display a

Answer 35

Yellow shift

Question 36

Which type of star maintains a stable size because the energy form fusion balances the force of gravity

Answer 36

White dwarf

Question 37

Large scale groups of stats bound together by gravitational attraction are known as

Answer 37

Galaxies

Question 38

Which of the following is best described as a cloud of gas dust

Answer 38

Nebula