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
nebula
fusion
sun
rocks and metals combine to form inner planets
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