Planets

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Are asteroids or meteoroids bigger?

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Astronomy

55 Terms

1

Are asteroids or meteoroids bigger?

Asteroids are bigger.

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2

What's the difference in composition of asteroids and meteoroids compared to comet.

Comets are icy. Asteroids and meteoroids are rocky.

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3

What terrestrial planet has the biggest mass?

Earth

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4

What is odd about Earth's moon?

It's proportionally very big.

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5

How significant is Earth's magnetic field?

It's big; Big enough to protect us

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6

What's Mercury's atmosphere like

basically non-existent

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7

What's in Earth's atmosphere?

Nitrogen and Oxygen

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8

What planet has the biggest volume of core?

Mercury

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9

What strength of magnetic field does Mercury have?

very weak

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10

Which of the gas giants has the smallest diameter

Neptune

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11

What's the extent of temperature differences on Mercury

There's big differences between day and night

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12

What's Mercury's escape speed like

very low

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13

What is the only planet with liquid water in abundance?

Earth

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14

does mercury have tectonic activity or weathering

no

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15

does mercury have convection

no

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16

does mercury have moons

no

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17

What planet has the most eccentric orbit

Mercury

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18

What planet is inclined to the ecliptic

mercury

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19

What planet has the shortest orbital period

mercury

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20

What planet is smallest in radius and mass

mercury

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21

what planets are densest

mercury and earth

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22

What planet is red and why

mars is because of iron that's rusting

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23

what planet has almost the same rotation rate as Earth

mars

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24

What's the least dense terrestrial planet

mars

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25

Does mars have seasons

yes

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26

does mars have a magnetosphere

no

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27

did mars used to have water on the surface

yes

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28

Does mars have plate tectonics

no

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29

What planets have shield volcanoes

Venus and Mars

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30

What's mars' atmosphere like

thin and low pressure

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31

Does venus have a magnetosphere

no

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32

does venus have plate tectonics

no

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33

what's venus' atmosphere like

it has a lot of pressure and is very hot. it's filled with sulfur

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34

what planet suffers the most from the runaway greenhouse effect

venus (also mars)

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35

What traps energy on venus

the thick atmosphere

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36

What planet has the great red spot

Jupiter

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37

What planet has the biggest magnetic field

Jupiter

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38

How dense is Jupiter

very not dense

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39

What planets produce energy

Saturn, Neptune, and Jupiter

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40

What's jupiter's escape speed

really high

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41

What's the flattest planet

saturn

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42

What's the least dense planet

saturn

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43

What's the biggest planet

Jupiter

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44

what planet has the most noticeable rings

saturn

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45

What moons does uranus have

lots of close ones

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46

does jupiter have seasons

no its almost straight up

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47

What planet is tilted almost entirely on its side

Uranus

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48

does uranus have seasons

really extreme seasons

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49

What makes uranus blue

methane

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50

what's the only jovian planet without an internal heating source

Uranus

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51

What planet has really fast winds

Neptune

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52

What planet radiates the highest ratio of heat

Neptune

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53

what planet rotates fastest

Jupiter

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54

What planet has the longest orbital period

Neptune

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55

what planet rotates slowest

Venus

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