Exam 1

Question 1

The speed of light in meters

Answer 1

3x10 to the 8

Question 2

Speed of light in km

Answer 2

3x10 to the 5th

Question 3

A light year is

Answer 3

The distance light travels through a vacuum in one year

9.5 trillion km

(How much a year is in seconds x speed of light)

Question 4

What is your cosmic address in order

Answer 4

You
Earth
Solar System 
Milky Way Galaxy 
Local group 
Local super cluster 
Universe 

“You Eat So Much Lemoned Lobsters Up”

Question 5

As you walk toward Polaris it will

Answer 5

Get higher equal to your latitude

So…
If Polaris is 50 degrees up your latitude is 50 north

Same with the southern cross

Question 6

Stars rise in the east and set in the

Answer 6

West

Question 7

Spring and autumnal equinox

Answer 7

The sun will rise directly in the east

Right at the ecliptic

Question 8

Summer solstice the sun will rise

Answer 8

More north east

Question 9

In winter solstice the sun will rise

Answer 9

More south east

Question 10

September 21 is

Answer 10

Autumnal equinox

Question 11

December 21 is

Answer 11

Winter solstice

Question 12

June 21 is

Answer 12

Summer solstice

Sun is at its highest

Question 13

Sun is lowest in the

Answer 13

Winter

Question 14

The sun I only directly overhead if you are at the

Answer 14

Tropics or close to the equator

Question 15

Precession is the

Answer 15

It is the gradual wobble that alters the orientation of earths axis in space

Question 16

The reason for the constellation not being correct now for your b day is cause of

Answer 16

Precession of earths axis

It is only true for your bday 2000 years ago

Question 17

What is the ecliptic

Answer 17

The apparent path of the sun around the celestial sphere

The plane of the earths orbit around the sun

Question 18

What is the zodiac

Answer 18

They are constellations that lay in the ecliptic ( there are 12 of them, 13 now)

Question 19

12 constellations equal to

Answer 19

12 months

Question 20

Each night stars will

Answer 20

Rise a little earlier then the night before

They rise east and set in west

Question 21

Moon shadow travels (in what directions)

Answer 21

Right to left

So does the light part

Question 22

If the light is on the right side of the moon

Answer 22

It is waxing

Question 23

If the light is on the left side of the moon then it is

Answer 23

Wanning

Question 24

Moon looks opposite from perspective of

Answer 24

Earth

Question 25

You see al phases of the moon

Answer 25

In one whole month

Question 26

Lunar phases in order

Answer 26

``` New Waxing crescent Waxing gibbous Full Wanning gibbous Wanning crescent ```

Question 27

Moon cycles the earth in

Answer 27

24 hours

Question 28

Moon time tables are

Answer 28

Down/Up it changes 3 hours Across Rising to Meridian to Setting Goes +6 hours

Question 29

During a lunar eclipse what phase is the moon

Answer 29

Full moon

Question 30

During a solar eclipse the phase of the moon is

Answer 30

A new moon

Question 31

There is no eclipse every month bc

Answer 31

Of the ecliptic | So it happens every 2 or so years

Question 32

For lunar eclipse the order of the rocks are

Answer 32

Sun Earth Moon

Question 33

For solar eclipse the order of the rocks are

Answer 33

Sun Moon Earth

Question 34

Retrograde motion definition

Answer 34

The apparent backward motion of the planet as we overtake it in orbit

Question 35

Ptolmey thought what caused retrograde motion

Answer 35

The real backward motion of the planets as they orbit the epicycle

Question 36

Kepler 1 law

Answer 36

The planet orbits the sun in ellipses with the sun at on focus of the ellipse Ellipse

Question 37

Kepler law 2

Answer 37

Using the line between the planets and the sun the orbit of the planet sweeps out equal areas in equal times Equal area equal time

Question 38

Kepler law 3

Answer 38

More distant the planets orbit the sun at slower average speeds, with the square of the period equaling the cube of the average distance p2=a3

Question 39

As the planet gets closer to the sun in the ellipse it travels

Answer 39

Faster When it is further away from sun it travels Slower

Question 40

e=0 means what kind of ellipse

Answer 40

Perfect circle

Question 41

Circum polar stars are stars that

Answer 41

Never rise or set

Question 42

The seasons are cause by the

Answer 42

Tilt of the earths rotational axis

Question 43

Moon orbit is what degree to the ecliptic

Answer 43

5

Question 44

Lunar eclipse

Answer 44

Total - through umbra Partial- partially through umbra Penumbras- through penumbra

Question 45

Solar eclipse

Answer 45

Total - umbra through Partial- penumbra Annular - moon further from earth umbra doesn't reach earth

Question 46

Do stars move randomly to us in the sky?

Answer 46

Yes we see constellations like Orion because we see them a certain way so it is just perception

Question 47

Distant galaxies appear to moving further away bc

Answer 47

University is expanding

Question 48

Kepler did what

Answer 48

Found that ellipses are what orbits did 3 laws Planetary motion

Question 49

Ptolemy did what

Answer 49

Geocentric model earth at center

Question 50

Brahe did what

Answer 50

He was danish and he collected a lot of data Mentor of Kepler

Question 51

Galileo did what

Answer 51

He found phases in Venus Moons on Jupiter Creators on the moon

Question 52

Corpernicus did what

Answer 52

Heliocentric model Sun at center and planets orbit it