Solar System

1st planet from the sun

mercury

2nd planet

venus

3rd planet

earth

4th planet

mars

5th planet

jupiter

6th planet

saturn

7th planet

uranus

8th planet

neptune

9th planet

pluto

T/F Mercury is a habitable planet for human life

false

t/f Mercury has a shorter year than earth

true

How many moons does mercury have?

zero

Venus’ surface is made of:

rock and dirt

Who worshiped the sun?

Maya

How big is Mars compared to Earth

1/2 the size of earth

Does Mars have an atmosphere?

True

Does Mars have water (in any state of matter?)

yes: ice caps near the poles

Where are asteroids found?

between mars and jupiter

Main parts of a comet

nucleus, coma, and tail

What is the largest planet

Jupiter

How old is Jupiter?

4\.603 billion years

Galileo

discovered the 4 largest moons of Jupiter

Surface of SATURN

gas (helium and hydrogen)

What type of planet is Saturn?

gas planet

What 2 elements is Saturn mostly made up of?

hydrogen and helium

How many main rings does Saturn have?

3

Which planet has the most moons?

Saturn

How many moons does Saturn have?

8

Which planet is flipped on its side?

Uranus

Why is Neptune blue?

it is made of ammonia and methane

Neptune has moons

true

Which planets DO NOT have moons?

Mercury and Venus

Pluto’s make up

rock

Comet nicknames

dirty snowball

Theory for creation of a solar system

Nebular theory

Steps of Nebular theory

1. nebula
2. fusion
3. sun
4. rocks and metals combine to form inner planets
5. outer planets made of gases

Goal of Voyagers 1&2

explored outer planets

Messenger

explored Mercury

Juno

explored jupiter

Saturn

* most visible rings
* 3 rings
* yellow/brown color

Mars

* polar caps
* rusty planet
* red-orange planet
* half the size of earth

Jupiter

* stripes/ribbons
* largest planet
* mostly beige with red-brown belts

Uranus

* visible ring (13 rings)
* tilted
* blue-green

Neptune

* fast winds
* blue
* farthest planet from the sun
* clouds
* dark blue
* faint rings

Mercury

* looks like the moon
* very small atmosphere
* fastest rotation
* smallest
* craters
* grey

Venus

* covered in thick CO2
* can’t see the surface
* thickest atmosphere
* white
* volcanoes
* similar size to earth

Which two planets have an atmosphere made primarily of carbon dioxide

venus and mars

Which planets have an atmosphere made primarily of hydrogen and helium?

Saturn and Jupiter

Which planet has basically no atmosphere at all?

Mercury

Which planets have bands of clouds

Neptune, Jupiter, and Earth

which planet has clouds made of sulfuric acid

venus

Which planet has clouds made of water?

Earth

Where are most comets located?

The oort cloud and kuiper belt, beyond pluto

What are asteroids made of?

clay, silicate rocks, silicate materials, nickel-iron

What are comets made of?

dust, gas, ices “dirty snowball”

What are meteors?

shooting stars, debris burning up in atmosphere