Noel Meier - Ch. 11 Lesson 1 Science Notes: Fill in the Blank

Asteroids

________ can range from 1 mile long to __hundreds __ of miles long.

Pluto

(________ used to be considered the 9th planet .)

Scientists

________ believe that the solar system is about.

coma

A(n) ________ is when gases and dust are released from a comet, producing the glowing region.

Saturn

________ has 82 moons.

Neptune

________ has 14 moons.

Jupiter

________ has 79 moons.

Mars

________ has 2 moons.

Uranus

________ has 27 moons.

moons

All ________ are held in their orbits by the gravitational attraction to their planets.

Meteor showers

________ occur when Earth passes through clouds of dust and particles that were left from a passing comet.

Next time you

(________ can see it from Earth is 2061 !)

comet

What is a small, orbiting body made of dust, ice, and frozen gases? Answer with a single words or term.

Earth

________ has one moon.

Suns gravity

The ________ holds the planets and the moons in their place.

__impact craters __

What are large, bowl shaped depressions in the ground? Answer with a single words or term.

Scientists

________ believe that most of these comets are found beyond pluto.

Scientists

________ estimate that millions of chunks of rocks and _debri exist in the solar system.