Terrestrial Planets

Terrestrial planets close or far from each other

close

Terrestrial planets small, dense, and rocky or large and gaseous

small, dense, and rocky

How many terrestrial planets have atmospheres

all of them

Which planets spin at a rate of 24 hours

earth and mars

Which planets take months for a rotation

Mercury and Venus

Which planets have moons

earth and mars

Which planets have magnetic fields

earth and mercury

Mariner 10

mercury mission

Messenger

mercury mission

Messenger used _*assists from earth, _from Venus, and _from mercury*

1,2,3

Trips to Venus

20

Venera 7

venus mission

Pioneer Venus

venus mission

Magellan

venus mission

Venus Express

venus mission

Mariner 4

mars mission

Mariner 6/7

mars mission

Mariner 9

mars mission

Viking 1/2

mars mission

Pathfinder

mars mission

Sojourner

mars mission

Global Surveyor

mars mission

Spirit/Opportunity

mars mission

Curiosity

mars mission

Insight

mars mission

Perseverance/Ingenuity

mars mission

Pioneer 10/11

outer planets mission

Voyager 1/2

outer planets mission

Galileo

jupiter mission

Terrestrial planets are differentiated meaning they have

layers

Temperature near center of solar system

several thousand k

Why are rocky planets near the sun

more heat and gravity near center cause heavier elements to condense

High amounts of ___ in Mercury

metals

Elements in Venus, Earth, and Mars

silicon, iron, magnesium, aluminum, oxygen

Elements in icy planets

water, ammonia, methane

Inner planets deficient in ___ materials

light