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1
Q

what unit of measure is used to determine the distances between bodies in the soar system?

A

Astron units(sun to earth is 1AU)

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2
Q

what are constellations?

A

A group of stars

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3
Q

from the north pole what appears directly overhead?

A

north celestial pole

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4
Q

what are the system used to find object on the celestial sphere?

A

Right Ascension and Declination

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5
Q

Into how many constellations is the celestial sphere divided?

A

88 pieces

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6
Q

what is zenith?

A

directly above you

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7
Q

where on earth can you observe all stars in the sky over an entire years?

A

the equator

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8
Q

what is the range of value for declination right ascension?

A

0h to 24h

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9
Q

how long is the precession cycle?

A

26,000 years long

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10
Q

why will Polaris not always be the pole star?
why does it barley move in the night time?

A

Earth’s axis of rotation wobbles over the course of about 26,000 years, the way a spinning top also wobbles as it spins. This causes the celestial pole to wander

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11
Q

what celestial line is a product of the earth’s orbit around the sun?

A

ecliptic

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12
Q

How is the length of a day determined?

A

the time period of a full rotation of the Earth with respect to the Sun

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13
Q

why are summers hotter than winter? Relate this to the sun’s position in the celestial sphere and the length of days.

A

the long daylight hours allow the Earth plenty of time to reach warm temperatures.

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14
Q

Precession lasts…

A

26000 Years

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15
Q

the study of the relative positions of celestial bodies as having an influence on human and the natural world is what?

A

Astrology

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16
Q

The Earth is closest to the sun during…

A

Perihelion

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17
Q

What does zenith mean

A

star directly above you

18
Q

How many constellations are there in the night sky?

A

88

19
Q

Named pattern of stars are called…

A

Constellations

20
Q

What unit is used to measure distances in our solar system?

A

Astronomical Units

21
Q

What unit of measurement should be used from star to star in our galaxy?

A

Light Years

22
Q

During precession, Earth will wobble away from Polaris. Which star will it be pointed towards?

A

Vega

23
Q

What is the current tilt of the Earth?

A

23.5

24
Q

During perihelion , the Earth is approximately…

A

147,000,000 Km Closest

25
Q

During aphelion, the Earth is approximately…

A

152,000,000 Farthest

26
Q

The time of the year when there is 12 hrs day and night is called…

A

Equinox

27
Q

What caused the Earth to become tilted?

A

Mars size object crashing into Earth

28
Q

If the Northern Hemisphere is tilted AWAY from the sun then it is what season?

A

Winter

29
Q

The period when the sun crosses the equator is called…

A

Equinoxes

30
Q

What are the coordinates used to locate stars called

A

declination and right ascension

31
Q

Which star is the Earth’s north pole pointed at?

A

Polaris

32
Q

Which layer of the atmosphere contains the ozone layer?

A

Stratosphere

33
Q

Which layer of the atmosphere burns up meteors

A

Mesosphere

34
Q

What is the range of values for declination?

A

+90 to -90 degrees

35
Q

What line in the sky is created by our revolution around the Sun?

A

Ecliptic Plane

36
Q

How long does sunlight take to reach the Earth?

A

8 minutes

37
Q

What is the inner most layer of Earth made of?

A

Solid Fe and Ni

38
Q

A pope created what?

A

Gregorian Calendar

39
Q

the celestial sphere is used for

A

mapping stars

40
Q

Eccentricity refers to changes of the

A

revolution of Earth

41
Q

The angle we see from the Earth to the moon creates

A

Moon Phases

42
Q

What is the order of the layers of the atmosphere from lowest to highest altitude?

A

troposphere, stratosphere, mesosphere, thermosphere

space (2 decks)

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