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Astronomy > Unit 3 > Flashcards

Unit 3 Flashcards

1
Q

Planet Order

A

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune (My Very Easy Method Just Speeds Up Nothing)

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2
Q

terrestrial

A

earth like, inner solar system, hot to warm, rocky, small, no rings, few satellites, slow rotation, high density, thin atmosphere, cratered surface, steroid debris

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3
Q

Jovian

A

Jupiter like, outer solar system, cold, gaseous, large rings, many satellites, fast rotation, low density, thick atmosphere, non-solid surface, comet debris

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4
Q

Mercury

A

closest to the sun, terrestrial, 467 degrees C sun side and -183 degrees C away side

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5
Q

Venus

A

similar to Earth but 95 times denser atmosphere resulting in 482 degree C temp

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6
Q

Earth

A

largest terrestrial, magnetic field, liquid water

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7
Q

Moon phases

A

new moon (unlit side faces earth), waxing crescent (growing larger), first quarter (see 1/2 of moon), waxing gibbous (see more), full moon (see whole moon), waning gibbous (getting smaller), last quarter (half), waning crescent (smaller)

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8
Q

Solar eclipse

A

moon’s shadow passes across earth

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9
Q

umbra

A

darkest shadow in solar eclipse

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10
Q

penumbra

A

where only some light is blocked in solar eclipse

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11
Q

lunar eclipse

A

moon passes through Earth’s shadow

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12
Q

Mars

A

most likely to have life

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13
Q

magnetosphere

A

envelope of magnetic protection

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14
Q

bootes

A

the herdsman, shaped like human with two feet facing out, bright star arcturus

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15
Q

Draco

A

the dragon, head with snaking tail

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16
Q

Corona Borealis

A

the northern crown, shaped like a little curve, part of the crown

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17
Q

Hercules

A

the warrior, shaped like a half man

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18
Q

t/f the majority of planets in our solar system have moons

A

true

19
Q

t/f New moon” is when we see a fully lit side of the moon.

A

false

20
Q

Which of the following planets has the highest average surface temperature?

A

Venus

21
Q

All of the following are distinctive properties of Earth (when compared to the other Terrestrial planets) except:

A

high composition density

22
Q

The greenhouse effect dominates this planet.

A

Venus

23
Q

Which of the following is not a way in which the Terrestrial and Jovian planets differ?

A

The Jovian planets have higher temperatures than Terrestrial planets do.

24
Q

t/f Both moons of Mars are most likely captured objects.

A

true

25
Q

What protects Earth from harmful radiation from the Sun?

A

our strong magnetic field

26
Q

Which planet has an atmosphere of mostly nitrogen?

A

Earth

27
Q

t/f
During a lunar eclipse, the Moon is located between Earth and the Sun.

A

false

28
Q

t/f
A planet that spins very rapidly would probably be Terrestrial.

A

false

29
Q

This planet has the hottest surface temperature.

A

Venus

30
Q

What happened to water on Mars?

A

It is frozen in the soil.

31
Q

What are the two types of planets?

A

Terrestrial and Jovian

32
Q

t/f The atmosphere of Mars is composed primarily of nitrogen.

A

false

33
Q

A moon that is full will appear at its highest point in the sky at what time of the night or day?

A

midnight

34
Q

This planet closely resembles our moon.

A

Mercury

35
Q

What happened to water on Venus?

A

It evaporated and was lost to space.

36
Q

t/f A planet located 9 AU from the Sun would probably be Jovian.

A

true

37
Q

How do the sizes of Earth, Venus, and Mars compare?

A

Earth is slightly larger than Venus and much larger than Mars.

38
Q

Earth is between the Moon and the Sun.

A

full moon

39
Q

A thin sliver of the Moon is visible.

A

crescent

40
Q

Most, but not all, of the Moon’s face is illuminated

A

gibbous

41
Q

The Moon is between Earth and the Sun.

A

new moon

42
Q

This phase occurs halfway between full and new moon.

A

last quarter

43
Q

When is Mercury most visible in the night sky?

A

at most, two hours before sunrise or after sunset

Astronomy (8 decks)

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