Duplicate of Solar System Review 12.4-12.6

the solid inner core of a comet is called the nucleus

region of the solar system between Mars and Jupiter

______ is twice as far from the sun as Saturn is, so it is much colder.

region where most of the known dwarf planets orbit

A large planet that does not have a solid surface

Name the Outer planets in order

Space _____ such as Cassini have revealed many details of the outer planets

meteoroid found on Earth's surface

Neptune's blue color comes from _______ in its atmosphere

a ___ is a thing disk of small particles of ice and rock.

The fuzzy outer layer of a comet is a coma

a _____ is an object that orbits the sun, is round, and has cleared the area of its orbit.

According to scientists, the solar system formed

Which inner planet does not have an atmosphere

The sun is a

_ is an object that orbits the sun, is spherical, but has not yet cleared the area of its orbit

chunk of rock or dust smaller than an asteriod

Mars's atmosphere is composed mostly of

_____ rotates so slowly that its day is longer than its year.

All the gas giant's atmospheres are made up primarily of:

region where most comets originate

The inner planets are small and dense and have ________ surfaces.

all the outer planets have many _____

_____ is tilted about 90 degrees on its axis

Which is the most massive outer planet?

streak of light produced when a meteoroid enters Earth's atmoshpere

Some regions of mars have giant

A few scientist believe that Saturn's largest moon, ___, may support life.

Which inner planets experience the greenhouse effect?

Temperatures of outer planets ___ greatly from the outer most part to the inside of the planet

Name the inner planets in order