30.3 and 30.4 Flashcards

1
Q

Jupiter

A

fifth planet from the sun

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2
Q

Saturn

A

sixth planet from the sun second largest

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3
Q

Uranus

A

seventh planet from the sun

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4
Q

Neptune

A

eighth planet from the sun

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5
Q

dwarf planet

A

are nearly round objects in orbit around the sun that are not satellites and that haven’t cleared the debris from there orbit

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6
Q

comet

A

composed of dust and rock particles

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7
Q

asteroid

A

rocky objects formed from material similar to the planets

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8
Q

meteoroid

A

sand to boulder size objects in the solar system

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9
Q

Sedna

A

is a distant planetoid

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10
Q

extraterrestrial life

A

life beyond earth

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11
Q

which space probe flew past jupiter in 1979

A

voyager 1 and voyager 2

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12
Q

which space probe reached jupiter in 1995

A

galileo space probe

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13
Q

what did voyager probes and galileo study

A

composition, structure, and motion of jupiter

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14
Q

how many moons does jupiter have

A

63 known moons

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15
Q

what are the 4 galilean moons

A

Ganymede, callisto, IO,Europa

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16
Q

which of the galilean moons is the largest in the solar system

A

Ganymede

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17
Q

which galilean moons is most likely to have water on it

A

callisto, io, europa

18
Q

which galilean moon is most volcanically active

19
Q

what are saturns rings made of

A

particles of watery-ice

20
Q

how many moons does saturn have

21
Q

what is the name of saturns largest moon

22
Q

what is the name of the space craft that flew by saturn in 2004

A

cassini-huygens

23
Q

what is cassinis mission

A

a 4 year orbiting saturn

24
Q

what is huygens mission

A

decend to titans surface

25
what is the only space probe to visit uranus
voyager 2
26
how many moons does uranus have
27 moons
27
does uranus have moons
yes
28
hoe is uranus axis tilted
vertically
29
what color is uranus
blue green color
30
which space probe is the only one t o reach neptune
voyager 2
31
what makes neptune bluer than uranus
has more methan and water-ice
32
how many moons does neptune have
13 moons
33
what is neptunes largest moon
triton
34
what are the names of 3 dwarf planets
pluto, eris, ceres
35
what is the bright cloud of a comet called
coma
36
where do comets originate
vast disk of icy object
37
when meteriods enter the earths atmosphere, what are they called
meteors
38
when a meteor strikes earths surface, what are they called
meteorites
39
what does AU stand for
Astronomical unit
40
what is an AU equal
150,000,000 km