30.2

Question 1

Venus

Answer 1

second planet fro the sun and has dense atmosphere

Question 2

mars

Answer 2

fourth planet from the sun and is called the red planet

Question 3

mercury

Answer 3

smallest and closest planet to the sun

Question 4

earth

Answer 4

third planet from the moon and is able to sustain life

Question 5

how long ago was the solar system formed

Answer 5

a nebula collapsed 4.6 billion years ago

Question 6

what type of atmosphere does Mercury have

Answer 6

no true atmosphere

Question 7

what type of atmosphere does Venus have

Answer 7

a dense atmosphere

Question 8

which planet is referred to earths sister planet

Answer 8

Venus

Question 9

what state is water on earth

Answer 9

Solid, liquid, and gas

Question 10

how many moons does mars have

Answer 10

2

Question 11

what does Phobos mean

Answer 11

fear

Question 12

what does Deimos mean

Answer 12

panic

Question 13

what was spirit and opportunity mission

Answer 13

find liquid water

Question 14

What did Mars Reconnaissance discover

Answer 14

sediment layering and gullies in 2009

Question 15

What did Mariner 9 discover

Answer 15

Valles Marineris ( a larger canyon) and extinct volcanoes

Question 16

What did Viking 1 and Viking 2 do

Answer 16

they photographed the surface of mars

Question 17

What did Gobal Suveyor do

Answer 17

is exammed valles marineris

Question 18

what did dyssey do

Answer 18

provided evidence for water as frost beneath a thin layer of soil

Question 19

What data did Mar Pathfinder gather

Answer 19

mars crust may have been leached out by groundwater

Question 20

Where did curiosity land

Answer 20

landed in the gale crater

Question 21

What were the goals of Curiosity

Answer 21

investigate climate and geology, collect evidence for microbial life, and planetary habitability studies for future humans