Earth And Space Final Exam

Front 1

The quality of a telescope depends on its

Back 1

All of the above

Front 2

Resolution refers to a telescope ability to

Back 2

Make close objects look separate

Front 3

Refraction refers to the

Back 3

Bending of light as it passes from one medium to another

Front 4

The speed of light is

Back 4

3 x 10^8 m/s

Front 5

Reflection refers to light

Back 5

Bouncing off a surface

Front 6

Which of the following provides evidence for the expansion of the universe

Back 6

Redshift

Front 7

Which term describes the apparent change in frequency of a wave caused by the change in distance between the observer and the object admitting the wave

Back 7

The Doppler effect

Front 8

The theory that states that the universe formed during a single event in which all matter and energy suddenly expanded from an extremely small point is the

Back 8

Big Bang Theory

Front 9

Which term describes radiation that fills the observable universe almost uniformly and that scientists think is left over the Big Bang

Back 9

Cosmic background radiation

Front 10

The first two elements that form when the universe was created where

Back 10

Hydrogen and helium

Front 11

The time it takes light to reach us from the Sun is about

Back 11

8 minutes

Front 12

According to the most commonly accepted hypothesis, our sun and the celestial object that orbits it forms a

Back 12

Solar nebula

Front 13

Which answer best classifies the planets of our solar system based on their physical characteristics

Back 13

Gas Giants and Terrestrial Planets

Front 14

The azimuthal coordinate system used to plot the positions of stars is based on

Back 14

Hours

Front 15

The equatorial coordinate system plots the positions of stars using

Back 15

Degrees in a circle

Front 16

The apparent path of the Sun as it moves against the constellations is called the

Back 16

Ecliptic

Front 17

Einstein's equation shows that energy

Back 17

Can be transformed into matter

Front 18

According to the most commonly accepted hypothesis, approximately how old is our solar system?

Back 18

5 billion years

Front 19

According to the most commonly accepted hypothesis, approximately how old is the universe?

Back 19

13.7 billion years

Front 20

According to the International Astronomical Union, why is Pluto no longer considered a planet?

Back 20

It is not massive enough to clear smaller bodies from the neighborhood around its orbit

Front 21

All Stars begin life as clouds of dust and gas called

Back 21

Nebulas

Front 22

What new element is formed when two hydrogen atoms fuse?

Back 22

Helium

Front 23

The process whereby two light nuclei are joined to create a heavier nucleus is called

Back 23

Fusion

Front 24

Fusion hits a dead end when ________ is formed

Back 24

Iron

Front 25

The energy of the stars is produced by

Back 25

Fusion

Front 26

The brightness of a star as seen from Earth is called

Back 26

Apparent magnitude

Front 27

Spectroscopy is used to determine

Back 27

Composition of stars

Front 28

Where do most stars fall on the h-r diagram?

Back 28

Main sequence

Front 29

What determines the life cycle of a star?

Back 29

Its mass

Front 30

What two outcomes are possible following a supernova?

Back 30

Black hole and neutron star

Front 31

The hertzsprung-russell diagram classify stars according to their

Back 31

Temperature and luminosity

Front 32

What is a supernova?

Back 32

The explosive death of a star

Front 33

What is the relationship between supernovae and star formation?

Back 33

Madara ejected into space during supernovae form new stars.