Stargazer Quiz 5: Chapters 9-10 Flashcards

1
Q

Planets lie roughly in the ___, which marks the path that the sun appears to travel.

A

Ecliptic

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2
Q

Only Venus, the moon, and the sun shine brighter than _______.

A

Jupiter

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3
Q

The zones on Jupiter consist of higher altitude clouds made primarily of ______.

A

Ammonia

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4
Q

The four most visible moons of Jupiter are called the _____ satellites.

A

Galilean

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5
Q

The red spot ______ time is the time the red spot on Jupiter will be centered best for viewing.

A

Transit

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6
Q

Jupiter had a nearly ____-year orbital period.

A

12

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7
Q

Venus is often called “the evening star” or “the morning star” since it dominates the sky when near greatest ______.

A

Elongation

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8
Q

_____ of Venus happen only twice per century, and the two events are always separated by eight years.

A

Transits

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9
Q

Saturn is physically about _____ times the diameter of Earth.

A

Nine

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10
Q

The division or “gap” between the A and B right of Saturn is called the ______ _____.”

A

Cassini division

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11
Q

One can observe a “ring-less” Saturn when the planet is _____-_____.

A

Edge-on

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12
Q

Mars only looks good when it is very near ______.

A

Opposition

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13
Q

The ______ Crater was the landing site for the science lab Curiosity.

A

Gale

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14
Q

On Mars, the valley ______ often fills up with fog and so appears almost white.

A

Hellas

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15
Q

Mars has two tiny moons: _______ and ________.

A

Phobos and Deimos

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16
Q

Mercury is the closest planet to the sun, and takes only _____ days to complete one orbit.

A

88

17
Q

A moderately large backyard telescope can theoretically view five moons of Uranus: Miranda, Ariel, Umbriel, __________, and ________.

A

Titania and Oberon

17
Q

The only moon of Neptune visible with a moderately sized backyard telescope is _______.

A

Trition

18
Q

Pluto is now a part of a new class of objects: the Trans-_____ Objects (TNOs).

A

Neptunian

19
Q

Near _______, Pluto is actually slightly closer to the sun than Neptune.

A

Perihelion

20
Q

The brightness of stars as we see them from Earth are classified according to their “__________.”

A

Apparent magnitude

21
Q

The seven classes of stars are subdivided into a range of _______ categories within each class (represented by a letter), and based on their _______ within a given temperature class.

A

Ten and size

22
Q

Double stars are called ______ stars.

A

Binary

23
Q

______, the southernmost star in the Southern Cross, is a visual binary.

A

Acrux

24
Q

The ______-Russell diagram is a graph that plots the absolute magnitude of a star against its surface temperature.

A

Hertzsprung