Chapter 2 Flashcards

1
Q

phase of the moon between waxing crescent and waxing gibbous

A

first quarter

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2
Q

phase between third quarter and new moon

A

waning crescent

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3
Q

full moon is sets

A

sun rise

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4
Q

new moon is rises

A

sun rise

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5
Q

moon is setting at midnight

A

first quarter

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6
Q

astronomers see stars right next to the sun

A

with space telescopes

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7
Q

constellations that the Sun passes through

A

zodiac

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8
Q

meridional altitude

A

height of the Sun in the sky at noontime

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9
Q

On the equator, the Sun will reach its highest point in the sky

A

the summer solstice

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10
Q

phase between waning crescent and waxing crescent

A

new moon

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11
Q

On an equinox, the Sun sets

A

due west

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12
Q

Over the course of the year, the right ascension of the Sun

A

increases

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13
Q

calculate the peak altitude of the Sun in the sky

A

by using the observer’s latitude and the sun’s declination

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14
Q

On the summer solstice, the Sun sets

A

North of West

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15
Q

moon is rising at midnight

A

third quarter

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16
Q

Over the course of the year, the Sun’s declination

A

increases and decreases

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17
Q

moon is setting at noon

A

third quarter

18
Q

Your noontime shadow will be the longest on

A

winter solstice

19
Q

The longest day of the year in Michigan is

A

the summer solstice

20
Q

The length of the day on an equinox

A

12 hours

21
Q

On the winter solstice, the Sun will rise

A

South of East

22
Q

Lunar eclipse

A

earth’s shadow falls on the moon

23
Q

Cycles of the moon

A

New->waxing crescent->first quarter->waxing gibbous->full->waning gibbous->third quarter->waning crescent

24
Q

full moon

A

100% bright

25
Q

1st and 3rd quarter

A

50% bright

26
Q

waxing

A

brightness if increasing

27
Q

waning

A

brightness is decreasing

28
Q

gibbous

A

moon is more than 50% bright

29
Q

crescent

A

moon is less than 50% bright

30
Q

synodic month

A

29.5 days, amount of time it takes to complete one cycle of phases

31
Q

Horizon diagram

A

tool we can use to show what an observers sky looks like

32
Q

nadir

A

opposite point directly point below the observer

33
Q

celestial meridian

A

imaginary line that runs in the sky from north to the south

34
Q

time of day

A

position of the sun in the sky

35
Q

phase of the moon

A

how far the moon is from the sun

36
Q

SOHO

A

tool used to take pictures of the sun

37
Q

meridional altitude

A

changes in the height of the sun

38
Q

meridian

A

north-south line of the observers in the horizon coordinate system

39
Q

tilt of axis

A

causes the seasons

40
Q

no eclipse every new and full moon

A

because of ecliptic plane

41
Q

solar eclipse

A

moon blocks ar view of the sun