Solar System

Question 1

star at the center of the solar system

primary energy of the solar system

99.8% of the mass in the solar system

formed 4.5 billion years ago in the milky way

Answer 1

sun

Question 2

our galaxy

Answer 2

orion spur

Question 3

layers of the sun

Answer 3

core - solar envelope - chromosphere - photosphere - corona

Question 4

where nuclear fusion (energy production) happens

heat is then transported outward by convection

Answer 4

core

Question 5

located just outside the core

2 heat transferring zones: radiation zone and convectional zone

Answer 5

solar envelope

Question 6

located outside the solar envelope

red in color due to an abundance of oxyen

Answer 6

chromosphere

Question 7

where visible light is emitted

Answer 7

photosphere

Question 8

diffuse region located around the chromosphere;

seen as halo during a full solar eclipse

Answer 8

corona

Question 9

releases energy in the form of:

radiation
electricity
solar wind
life-giving heat

Answer 9

nuclear fusion

Question 10

sun is composed of:

Answer 10

91% hydrogen, 8.9% heium and 0.1 heavier elements that of which is a plasma

Question 11

solar activities

Answer 11

sun spots - solar winds - solar flares

Question 12

dark spots observed on the sun’s surface

difference in color is manifested by a cooler temperature

Answer 12

sun spots

Question 13

streams of plasma released from the sun’s atmosphere

particles behave under the influence of the sun’s magnetic field

particles escape from the sun’s gravity die to their immense energy

Answer 13

solar winds

Question 14

when these particles ejected by the sun reach the earth, they affect earth’s magnetic field - the solar winds stream back towards the planet’s magnetic poles causing _______

Answer 14

aurora borealis

Question 15

flashes of sudden brightness over the sun’s surface

these flares eject clouds of particles through the corona of the sun into outer space

Answer 15

solar flares

Question 16

8 planets

Answer 16

mercury - venus - earth - mars - jupiter - saturn - uranus - neptune

Question 17

small, dense, light consists of rocky and metallic substances (with very little gas and ice)

shorter revolutions

higher surface temp.

fewer moons

Answer 17

terrestrial planets

Question 18

large temperature difference between day and night

no atmosphere, no water and surface is similar to that of earth’s moon

lack of geologic activities (such as active volcanoes) indicate that ______’s core is cooler than that of earth

Answer 18

mercury

Question 19

thick atmosphere

3rd brightest celestial body observable from earth

hottest planet

Answer 19

venus

Question 20

only planet that supports life

Answer 20

earth

Question 21

moon of earth

Answer 21

luna

Question 22

thin atmosphere

red planet because of its abundance in iron

Answer 22

mars

Question 23

biggest volcano in the solar system

Answer 23

mons olympus

Question 24

moons of mars

Answer 24

phobos and deimos

Question 25

much bigger but less dense, heavier and longer revolutions lower surface temp. more moons contain large amounts of gases (hydrogen and helium) and ice (mostly water, ammonia and methane)

Answer 25

jovian planets

Question 26

atmosphere composed of mainly H and He biggest planet has confirmed 67 natural satellites (bigger than mercury (some))

Answer 26

jupiter

Question 27

giant storm that persisted in jupiter for centuries; seen in its surface

Answer 27

great red spot

Question 28

moons of jupiter

Answer 28

``` europa io ganymede callisto amalthea thebe metis and more ```

Question 29

known for its complex rings (though JUPITER, URANUS AND NEPTUNE ALSO HAVE RINGS) rings made up of rocks, dust particles and colliding moons has at least 30 natural satellites (one bigger than mercury)

Answer 29

saturn

Question 30

how many moons does jupiter have

Answer 30

67

Question 31

how many moons does saturn have

Answer 31

62

Question 32

moons of saturn

Answer 32

famous: titan

Question 33

twin gas giants

Answer 33

uranus and neptune

Question 34

sidewards planets its axis of rotation is nearly parallel with the plane of orbit has 15 natural satellites

Answer 34

uranus

Question 35

has a windy and dynamic atmosphere (similar to jupiter and saturn)

Answer 35

neptune

Question 36

massive rotating storm in neptune

Answer 36

great dark spot

Question 37

microplanets; smaller bodies consisting of rocks and metals asteroid belt: between Mars and Jupiter

Answer 37

asteroids

Question 38

icy small body that heats up ad begins to outgas when passing near the sun has a brighter outer sheath called coma and long tail

Answer 38

comets

Question 39

only comet that can be seen with the naked eye from the earth; seen every 75-76 years

Answer 39

halley's comet

Question 40

planetary masses which are neither planets nor satellites celestial bodies in direct orbit to the sun

Answer 40

minor/dwarf planet

Question 41

made up of ice rocks and has 5 known natural satellites doesnt have its own orbit thus cannot be a planet thought to be a satellite of neptune that pulled out of its orbit

Answer 41

pluto

Question 42

similar to the asteroid belt but situated beyond the planets home to at least 3 dwarf planets: pluto, haumea and makemake

Answer 42

kuiper belt

Question 43

collection of icy debris edge of the solar system

Answer 43

oort cloud