Section 3 and 4
How many moons does Neptune have
11 and pinkish triton is largest
Pluto has ____ moons
3
How many moons does Saturn have
31
How many moons does Jupiter have
61 and at least 4 are relatively large with atmospheres
Asteroid sizes range from very tiny to _________ in diameter
940 km
Storms on Neptune reveal an _______ and rapidly changing atmosphere
Active
Rock similar to that which formed planets
Asteroid
The near earth asteroid rendezvous probe indicates ______ 433 Eros has been in many collisions over time
Asteroid
Pluto has a thin ______ and a solid Rocky surface
Atmosphere
Titan has a thick ______ that prevents scientist from seeing the surface
Atmosphere
Blueish green _________ similar to Uranus
Aymosphereb
Uranus looks ___________ because of methane
Blueish-green
Dust and rock particles combined with frozen water methane and ammonia
C omet
Cratered rock and ice crust may surround a salty ocean and rock core
Calisto
Saturn might have a small Rocky _______
Cire
Vaporized material forms bright cloud called ______ around comet nucleus
Coma
Comet structure- large _________ of frozen rock and ice
Dirty snowball
Composed mostly of rock may have an ocean of water under a thick layer of icev
Europa
Largest moon in the solar system (bigger than mercury)
Ganymede
The _________ is the most spectacular of Jupiter's many constant high-pressure gas storms
Great red spot
Amateur astronomers discovered comet ___________ in 1955
Hale-bopp
______ comment orbits the sun every 76 yearsb
Halleys
Atmosphere of Jupiter is made mostly of
Hydrogen and helium
Uranus atmosphere is made of
Hydrogen helium and methane
Saturn's atmosphere is made of
Hydrogen, helium , ammonia, methane, and water vapor
The ______ decided the terms of the planet Pluto in 2006
IAU
Very volcanic active and the closest large moon to jupiter.
IO
The fifth planet from the sun, largest planet in the solar system
Jupiter
Below the atmosphere of Jupiter _____hydrogen and helium are suspected
Liquid
Most asteroids lie in an asteroid belt located between ______ and ______
Mars and Jupiter
Small meteoroid that burns up in the earth atmosphere
Meteor
Occurs when earths orbit passes through a group of meteoroids that enter the atmosphere e
Meteor shower
Meteoroid that strikes earth surface
Meteorite
Name given to small pieces of comet when they move through space
Meteoroid
Usually the 8 planet from the sun large and gaseous
Neptune
Large group of comets surrounding the solar system beyond Pluto
Ort cloud
Uranus's axis of rotation is nearly _______ to the plane of orbit
Parrallel
Eventually most of the ice in the comets nucleus vaporize leaving only small _______
Particles
Jupiter's gravity may have kept these asteroids from forming a ________
Planet
Some _________ moons may be asteroids pulled from the asteroid belt
Planets
Dwarf planet occasionally closer to the sun than Neptune one of three dwarf planets in the solar system
Pluto
Each one of Saturn's large ______ is composed of singlets of ice and rock particles
Ring
Uranus has thick dark _____
Rings
6 planet from the sun send largest in the solar system and lowest density
Saturn
Solar wind pushes on gas and dust in the coma, causing the particles to form a tail that always points away from the _____
Sun
Saturn's largest moon that is bigger than mercury
Triton
7 planet from the sun large and gaseous
Uranus
Ice and dust _______ as comet nears sun
Vaporize
